.page-products {
  --pp-line: rgba(27, 51, 88, .7);
  --pp-line-soft: rgba(27, 51, 88, .45);
  --pp-panel: linear-gradient(158deg, rgba(16, 32, 63, .92), rgba(8, 18, 42, .96));
  padding-bottom: 84px;
}

/* ---------- 页面头部 ---------- */
.page-products .page-head {
  position: relative;
  padding: clamp(26px, 4.6vw, 54px) 0 clamp(24px, 3.6vw, 40px);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .page-head::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: min(46%, 420px);
  height: 2px;
  background: linear-gradient(90deg, rgba(227, 182, 102, 0), var(--gold));
}

.page-products .page-head__kicker {
  margin: 0 0 14px;
  color: var(--gold);
  letter-spacing: .16em;
}

.page-products .page-head__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .page-head__lead {
  margin: 20px 0 0;
  max-width: 48ch;
  color: var(--paper-dim);
  line-height: 1.9;
  font-size: 16px;
}

.page-products .head-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 章节骨架 ---------- */
.page-products .section {
  margin-top: clamp(56px, 8.5vw, 108px);
}

.page-products .section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin-bottom: clamp(20px, 3vw, 34px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .section__idx {
  color: var(--gold);
  letter-spacing: .18em;
}

.page-products .section__title {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.1vw, 30px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--paper);
}

.page-products .split-2 {
  display: grid;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-products .split-2 {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
}

/* ---------- 图形占位 ---------- */
.page-products .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 01 终端概览 ---------- */
.page-products .term-intro {
  display: grid;
  gap: 26px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

@media (min-width: 880px) {
  .page-products .term-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: center;
  }
}

.page-products .term-intro__text p {
  margin: 0 0 14px;
  max-width: 44ch;
  color: var(--paper-dim);
  line-height: 1.9;
  font-size: 15px;
}

.page-products .term-intro__text p:last-child {
  margin-bottom: 0;
  color: var(--gold-lite);
}

.page-products .term-intro__figure {
  margin: 0;
}

/* ---------- 终端切换器 ---------- */
.page-products .terminal {
  position: relative;
  display: grid;
  gap: 20px;
  padding: clamp(18px, 3.2vw, 34px);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  background: var(--pp-panel);
}

@media (min-width: 900px) {
  .page-products .terminal {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

.page-products .terminal__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .terminal__tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 900px) {
  .page-products .terminal__tabs {
    position: sticky;
    top: 108px;
    align-self: start;
    flex-direction: column;
    gap: 10px;
    overflow: visible;
    padding-bottom: 0;
  }
}

.page-products .terminal__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border: 1px solid var(--pp-line);
  border-radius: 999px;
  background: rgba(8, 18, 42, .55);
  color: var(--paper-dim);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

@media (min-width: 900px) {
  .page-products .terminal__tab {
    width: 100%;
    justify-content: flex-start;
    padding: 14px 18px;
    border-radius: 12px;
  }
}

.page-products .terminal__tab-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  transition: color .2s var(--ease);
}

.page-products .terminal__tab:hover {
  border-color: rgba(227, 182, 102, .6);
  color: var(--paper);
}

.page-products #terminal-pc:checked ~ .terminal__tabs label[for="terminal-pc"],
.page-products #terminal-app:checked ~ .terminal__tabs label[for="terminal-app"],
.page-products #terminal-pad:checked ~ .terminal__tabs label[for="terminal-pad"] {
  border-color: var(--coral);
  background: rgba(255, 106, 69, .13);
  color: var(--paper);
  box-shadow: inset 0 0 0 1px rgba(255, 106, 69, .3);
}

.page-products #terminal-pc:checked ~ .terminal__tabs label[for="terminal-pc"] .terminal__tab-idx,
.page-products #terminal-app:checked ~ .terminal__tabs label[for="terminal-app"] .terminal__tab-idx,
.page-products #terminal-pad:checked ~ .terminal__tabs label[for="terminal-pad"] .terminal__tab-idx {
  color: var(--coral);
}

.page-products #terminal-pc:focus-visible ~ .terminal__tabs label[for="terminal-pc"],
.page-products #terminal-app:focus-visible ~ .terminal__tabs label[for="terminal-app"],
.page-products #terminal-pad:focus-visible ~ .terminal__tabs label[for="terminal-pad"] {
  outline: 2px solid var(--gold-lite);
  outline-offset: 2px;
}

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

@media (min-width: 900px) {
  .page-products .terminal__panels {
    padding-left: 34px;
    border-left: 1px solid var(--pp-line);
  }
}

.page-products .terminal__panel {
  display: none;
}

.page-products #terminal-pc:checked ~ .terminal__panels .terminal__panel[data-terminal="pc"],
.page-products #terminal-app:checked ~ .terminal__panels .terminal__panel[data-terminal="app"],
.page-products #terminal-pad:checked ~ .terminal__panels .terminal__panel[data-terminal="pad"] {
  display: block;
}

.page-products .terminal__panel-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--gold-lite);
}

.page-products .terminal__panel-text {
  margin: 0 0 20px;
  max-width: 46ch;
  color: var(--paper-dim);
  line-height: 1.9;
  font-size: 15px;
}

.page-products .terminal__facts {
  margin: 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .terminal__fact {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pp-line-soft);
}

@media (min-width: 620px) {
  .page-products .terminal__fact {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-products .terminal__fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-products .terminal__fact dd {
  margin: 0;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 02 切换三步 ---------- */
.page-products .switch-note p {
  margin: 0 0 12px;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.85;
}

.page-products .switch-note .mono-note {
  color: var(--coral);
  letter-spacing: .06em;
}

.page-products .step-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step-list::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(180deg, rgba(227, 182, 102, .7), rgba(227, 182, 102, .08));
}

.page-products .step {
  position: relative;
}

.page-products .step__summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
  color: var(--paper);
  font-family: var(--font-head);
  font-size: clamp(15px, 2vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  transition: color .2s var(--ease);
}

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

.page-products .step__summary::after {
  content: "＋";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold);
  transition: color .2s var(--ease);
}

.page-products .step__details[open] .step__summary::after {
  content: "－";
  color: var(--coral);
}

.page-products .step__idx {
  position: relative;
  z-index: 1;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(227, 182, 102, .5);
  border-radius: 50%;
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-products .step__details[open] .step__idx {
  border-color: var(--coral);
  color: var(--coral);
}

.page-products .step__body {
  padding: 0 0 20px 56px;
}

.page-products .step__body p {
  margin: 0;
  max-width: 48ch;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.9;
}

.page-products .switch-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 03 下载清单 ---------- */
.page-products .dl-note p {
  margin: 0 0 14px;
  max-width: 44ch;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.9;
}

.page-products .dl-note .mono-note {
  color: var(--gold);
}

.page-products .dl-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  background: rgba(16, 32, 63, .42);
}

.page-products .dl-table {
  width: 100%;
  min-width: 430px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products .dl-table__cap {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .dl-table th,
.page-products .dl-table td {
  padding: 11px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .dl-table thead th {
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--paper-faint);
}

.page-products .dl-table tbody th {
  font-weight: 500;
  color: var(--paper);
}

.page-products .dl-table tbody td {
  color: var(--paper-dim);
}

.page-products .dl-table tbody td:last-child {
  color: var(--gold-lite);
}

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

.page-products .dl-table tbody tr:hover th,
.page-products .dl-table tbody tr:hover td {
  background: rgba(227, 182, 102, .06);
  color: var(--paper);
}

.page-products .dl-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
  max-width: 520px;
}

@media (min-width: 900px) {
  .page-products .dl-figure {
    margin-left: auto;
  }
}

.page-products .dl-figure .figure__media {
  aspect-ratio: 1 / 1;
}

/* ---------- 04 兼容与校验 ---------- */
.page-products .compat {
  display: grid;
  gap: 18px;
}

@media (min-width: 860px) {
  .page-products .compat {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-products .compat__card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  background: var(--pp-panel);
}

.page-products .compat__card--hash {
  border-color: rgba(122, 108, 240, .36);
}

.page-products .compat__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .compat__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .compat__list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(27, 51, 88, .8);
  color: var(--paper-dim);
  font-size: 14px;
}

.page-products .compat__list li .mono-note {
  flex: 0 0 78px;
  color: var(--gold);
}

.page-products .compat__steps {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: cstep;
  display: grid;
  gap: 12px;
}

.page-products .compat__steps li {
  position: relative;
  counter-increment: cstep;
  padding-left: 34px;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .compat__steps li::before {
  content: counter(cstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--violet);
}

.page-products .compat__card > p {
  margin: 0;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.85;
}

.page-products .compat__card > p.mono-note {
  color: var(--gold);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-products .compat + .figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 05 版本节奏 ---------- */
.page-products .cadence-note p {
  margin: 0 0 12px;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.9;
}

.page-products .cadence-note .mono-note {
  color: var(--copper);
  letter-spacing: .04em;
}

.page-products .timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
}

@media (min-width: 900px) {
  .page-products .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }
}

.page-products .timeline__item {
  position: relative;
  padding-top: 22px;
  border-top: 1px solid var(--pp-line);
}

.page-products .timeline__item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(227, 182, 102, .14);
}

.page-products .timeline__item:nth-child(3)::before {
  background: var(--violet);
  box-shadow: 0 0 0 3px rgba(122, 108, 240, .16);
}

.page-products .timeline__item:nth-child(4)::before {
  background: var(--copper);
  box-shadow: 0 0 0 3px rgba(201, 138, 75, .16);
}

.page-products .timeline__label {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  letter-spacing: .08em;
}

.page-products .timeline__text {
  margin: 0;
  max-width: 34ch;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.85;
}

.page-products .timeline + .figure,
.page-products .split-2 + .figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 06 常见两种情况 ---------- */
.page-products .case {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .case .card__meta {
  color: var(--copper);
  letter-spacing: .1em;
}

.page-products .case .card__title {
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.45;
  color: var(--paper);
}

.page-products .case p {
  margin: 0;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.88;
}

.page-products .trouble-more {
  margin: clamp(24px, 3.6vw, 38px) 0 0;
  max-width: 62ch;
  padding-left: 16px;
  border-left: 2px solid rgba(227, 182, 102, .55);
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.9;
}

.page-products .trouble-more a {
  color: var(--gold-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */
.page-products .closing {
  margin-top: clamp(58px, 9vw, 106px);
}

.page-products .closing__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.6vw, 52px);
  border: 1px solid rgba(227, 182, 102, .3);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(255, 106, 69, .16), transparent 55%),
    linear-gradient(158deg, rgba(16, 32, 63, .95), rgba(8, 18, 42, .98));
}

.page-products .closing__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 250px;
  height: 250px;
  border: 1px solid rgba(227, 182, 102, .22);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .closing__kicker {
  margin: 0 0 12px;
  color: var(--gold);
  letter-spacing: .16em;
}

.page-products .closing__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--paper);
}

.page-products .closing__text {
  margin: 0;
  max-width: 52ch;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.9;
}

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

/* ---------- 窄屏收口 ---------- */
@media (max-width: 640px) {
  .page-products .page-head__title {
    max-width: none;
  }

  .page-products .step__body {
    padding-left: 0;
  }

  .page-products .step-list::before {
    display: none;
  }

  .page-products .dl-figure {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}