/* ===== 安装目录 · 页面专属样式（作用域 .page-products） ===== */

.page-products {
  background: var(--night);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  padding-top: clamp(28px, 5vw, 56px);
}

.page-products .cat-hero__grid {
  display: grid;
  gap: 36px;
}

.page-products .cat-hero__text h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(36px, 9vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 14px 0 18px;
  color: var(--paper);
}

.page-products .cat-hero__text h1::after {
  content: "";
  display: block;
  width: 88px;
  height: 6px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-products .cat-hero__text .lede {
  max-width: 34em;
  color: var(--mist-lift);
  font-size: 17px;
  line-height: 1.85;
}

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

.page-products .cat-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-products .fact {
  background: var(--coal);
  padding: 16px 18px;
}

.page-products .fact dt {
  font-size: 13px;
  color: var(--mist-lift);
  letter-spacing: 0.06em;
}

.page-products .fact dd {
  margin: 8px 0 0;
  font-size: 26px;
  font-weight: 600;
  color: var(--orange);
}

.page-products .cat-hero__figure {
  margin: 0;
}

/* ---------- 对照表 ---------- */
.page-products .path-grid {
  --path-cols: 1fr;
  border-top: 1px solid var(--line);
}

.page-products .path-grid__head {
  display: none;
}

.page-products .path-row {
  display: grid;
  grid-template-columns: var(--path-cols);
  gap: 8px;
  padding: 20px 16px;
  position: relative;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color var(--dur) var(--ease);
}

.page-products .path-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}

.page-products .path-row:nth-child(even) {
  background: rgba(20, 22, 28, 0.66);
}

.page-products .path-row:hover,
.page-products .path-row:focus-visible {
  background: rgba(52, 231, 228, 0.08);
  outline: none;
}

.page-products .path-row:hover::before,
.page-products .path-row:focus-visible::before {
  transform: scaleY(1);
}

.page-products .path-row__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-products .path-row__name::before,
.page-products .path-row__who::before,
.page-products .path-row__step::before,
.page-products .path-row__time::before {
  content: attr(data-label) " · ";
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.08em;
}

.page-products .path-row__who {
  color: var(--mist-lift);
  font-size: 15px;
  line-height: 1.7;
}

.page-products .path-row__step {
  color: var(--paper);
  font-size: 15px;
}

.page-products .path-row__time {
  color: var(--orange);
  font-size: 16px;
  font-weight: 600;
}

/* ---------- 三步操作 ---------- */
.page-products .cat-steps__figure {
  margin: 0 0 40px;
}

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

.page-products .step {
  display: grid;
  gap: 14px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.page-products .step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .step__num {
  font-size: clamp(46px, 11vw, 70px);
  font-weight: 600;
  line-height: 0.86;
  color: var(--orange);
  letter-spacing: -0.02em;
}

.page-products .step__title {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-products .step__body p {
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-lift);
  margin: 0 0 14px;
}

.page-products .step__body .note-plate {
  margin-bottom: 0;
}

/* ---------- 设备要求 ---------- */
.page-products .device-grid {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-products .device-card {
  background: var(--coal);
  padding: 26px 22px;
  border-left: 3px solid transparent;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .device-card:hover {
  border-left-color: var(--cyan);
  background: rgba(20, 22, 28, 0.96);
}

.page-products .device-card__label {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--rose);
  margin: 0 0 12px;
}

.page-products .device-card__title {
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-products .device-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-lift);
}

/* ---------- 标签体系 ---------- */
.page-products .tags-layout {
  display: grid;
  gap: 40px;
}

.page-products .tags-layout__intro p {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-lift);
  margin: 0 0 28px;
}

.page-products .tags-layout__intro .figure-frame {
  margin: 0;
}

.page-products .tag-switch {
  position: relative;
  min-width: 0;
}

.page-products .tag-switch__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--coal);
  margin-bottom: 24px;
}

.page-products .tag-switch__tab {
  flex: 1 1 150px;
  text-align: center;
  padding: 13px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist-lift);
  cursor: pointer;
  border-right: 1px solid var(--line-soft);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .tag-switch__tab:last-child {
  border-right: 0;
}

.page-products .tag-switch__tab:hover {
  background: rgba(52, 231, 228, 0.08);
  color: var(--paper);
}

.page-products #tag-level-1:checked ~ .tag-switch__bar .tag-switch__tab[for="tag-level-1"],
.page-products #tag-level-2:checked ~ .tag-switch__bar .tag-switch__tab[for="tag-level-2"] {
  background: var(--cyan);
  color: var(--on-cyan);
  font-weight: 700;
}

.page-products #tag-level-1:focus-visible ~ .tag-switch__bar .tag-switch__tab[for="tag-level-1"],
.page-products #tag-level-2:focus-visible ~ .tag-switch__bar .tag-switch__tab[for="tag-level-2"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products #tag-level-1:checked ~ .tag-switch__panel--b,
.page-products #tag-level-2:checked ~ .tag-switch__panel--a {
  display: none;
}

.page-products .tag-switch__panel {
  animation: cat-fade var(--dur) var(--ease) both;
}

@keyframes cat-fade {
  from {
    opacity: 0;
    transform: translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.page-products .tier-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .tier-a {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.03em;
  padding: 10px 16px;
  color: var(--cyan);
  background: rgba(52, 231, 228, 0.1);
  border: 1px solid var(--edge);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .tier-a:hover {
  background: rgba(52, 231, 228, 0.2);
  transform: translateY(-2px);
}

.page-products .tier-b {
  font-size: 13px;
  padding: 7px 12px;
  color: var(--mist-lift);
  background: var(--coal);
  border: 1px solid var(--line-soft);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .tier-b:hover {
  color: var(--paper);
  border-color: var(--mist);
}

.page-products .tier-b--amber {
  color: var(--amber);
  border-color: rgba(255, 196, 138, 0.45);
}

.page-products .tier-b--rose {
  color: var(--rose);
  border-color: rgba(255, 77, 141, 0.45);
}

/* ---------- 版本归档 ---------- */
.page-products .archive-layout {
  display: grid;
  gap: 40px;
}

.page-products .archive-layout__figure {
  margin: 0;
}

.page-products .find-ways {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .find-ways li {
  background: var(--night);
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-lift);
}

.page-products .find-ways__key {
  display: inline-block;
  min-width: 84px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.page-products .archive-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--line);
}

.page-products .ver-item {
  position: relative;
  padding-bottom: 20px;
}

.page-products .ver-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 10px;
  width: 9px;
  height: 9px;
  background: var(--night);
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
}

.page-products .ver-item details {
  background: var(--coal);
  border: 1px solid var(--line-soft);
  transition: border-color var(--dur) var(--ease);
}

.page-products .ver-item details[open] {
  border-color: var(--edge);
}

.page-products .ver-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 18px;
}

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

.page-products .ver-item summary::marker {
  content: "";
}

.page-products .ver-item__when {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-products .ver-item__name {
  flex: 1 1 180px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .ver-item__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line-soft);
  margin-top: -1px;
}

.page-products .ver-item__body p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-lift);
}

/* ---------- 接口与图形（纸白区） ---------- */
.page-products .section--paper {
  color: var(--night);
}

.page-products .section--paper .section-title {
  color: var(--night);
}

.page-products .section--paper .eyebrow,
.page-products .section--paper .muted {
  color: #4C5872;
}

.page-products .api-layout {
  display: grid;
  gap: 36px;
}

.page-products .api-sub {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--night);
  margin: 0 0 10px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
}

.page-products .api-layout__text p {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: #3A4459;
  margin: 0 0 26px;
}

.page-products .api-note {
  font-size: 14px;
  color: #5A6579;
  padding: 14px 16px;
  background: rgba(52, 231, 228, 0.16);
  border-left: 3px solid var(--edge);
  margin: 0 !important;
}

.page-products .api-layout__figure {
  margin: 0;
}

/* ---------- 更新节奏与去向 ---------- */
.page-products .cadence-grid {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-products .cadence-card {
  background: var(--coal);
  padding: 26px 22px;
}

.page-products .cadence-card__value {
  font-size: clamp(30px, 6vw, 40px);
  font-weight: 600;
  color: var(--cyan);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.page-products .cadence-card__title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-products .cadence-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-lift);
}

.page-products .next-links {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.page-products .next-links__lead {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 20px;
}

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

.page-products .next-link {
  display: block;
  padding: 18px 20px;
  background: var(--coal);
  border: 1px solid var(--line-soft);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .next-link:hover {
  border-color: var(--cyan);
  transform: translateX(4px);
}

.page-products .next-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .next-link__label {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-products .next-link__desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-lift);
}

/* ---------- 图注与说明牌微调 ---------- */
.page-products .figure-frame__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .figure-frame__caption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  margin-top: 10px;
}

.page-products .note-plate {
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .cat-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  .page-products .step {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .path-grid {
    --path-cols: 1.1fr 1.7fr 0.6fr 0.8fr;
  }

  .page-products .path-grid__head {
    display: grid;
    grid-template-columns: var(--path-cols);
    gap: 20px;
    padding: 0 16px 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--mist-lift);
    text-transform: uppercase;
    border-bottom: 1px solid var(--line);
  }

  .page-products .path-row {
    grid-template-columns: var(--path-cols);
    gap: 20px;
    align-items: center;
    padding: 22px 16px;
  }

  .page-products .path-row__name::before,
  .page-products .path-row__who::before,
  .page-products .path-row__step::before,
  .page-products .path-row__time::before {
    content: none;
  }

  .page-products .step {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 48px;
    padding: 44px 0;
  }

  .page-products .tags-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .archive-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .api-layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 52px;
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-products .next-links__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tag-switch__panel {
    animation: none;
  }

  .page-products .path-row::before,
  .page-products .tier-a,
  .page-products .next-link {
    transition: opacity var(--dur) var(--ease);
  }

  .page-products .path-row:hover::before,
  .page-products .path-row:focus-visible::before {
    transform: none;
  }

  .page-products .tier-a:hover,
  .page-products .next-link:hover {
    transform: none;
  }
}