/* ============================================================
   客户端下载页 · page-products
   ============================================================ */

.page-products {
  --pr-rule: rgba(43, 76, 111, .26);
  --pr-rule-dark: rgba(140, 160, 182, .28);
  --pr-block: clamp(48px, 7vw, 96px);
  background: var(--paper-100);
  overflow-x: hidden;
}

.page-products .pr-section {
  padding-block: var(--pr-block);
}

.page-products .pr-section--paper { background: var(--paper-100); }
.page-products .pr-section--sand  { background: var(--paper-200); }

.page-products .pr-section--ink {
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-products .pr-section--ink p,
.page-products .pr-section--ink .pr-ink-lead {
  color: var(--muted-on-ink);
}

.page-products .pr-section--ink a:not(.st-btn) {
  color: var(--gold-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pr-ink-lead {
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  margin: 0 0 clamp(26px, 3.5vw, 40px);
}

/* ---------- 首屏 ---------- */

.page-products .pr-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.5vw, 52px);
  padding-block: clamp(26px, 4vw, 58px) clamp(38px, 5vw, 76px);
}

.page-products .pr-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin: 0 0 16px;
}

.page-products .pr-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6.6vw, 58px);
  line-height: 1.14;
  letter-spacing: .05em;
  color: var(--ink-900);
  margin: 0 0 18px;
}

.page-products .pr-hero__lead {
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--ink-700);
  margin: 0 0 6px;
}

.page-products .pr-path {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-products .pr-path__step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-path__step:last-child {
  border-bottom: 1px solid var(--pr-rule);
}

.page-products .pr-path__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-products .pr-path__label {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-900);
}

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

/* 首屏右侧面板 */

.page-products .pr-hero__panel {
  background: var(--ink-900);
  color: var(--paper-100);
  border: 1px solid var(--ink-500);
  border-radius: 2px;
  padding: clamp(22px, 3vw, 34px);
  box-shadow: var(--shadow-card);
  align-self: start;
}

.page-products .pr-panel__head {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .16em;
  color: var(--gold-500);
  margin: 0 0 6px;
}

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

.page-products .pr-panel__row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--pr-rule-dark);
}

.page-products .pr-panel__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted-on-ink);
  padding-top: 3px;
}

.page-products .pr-panel__body {
  display: block;
}

.page-products .pr-panel__name {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--paper-100);
  margin-bottom: 6px;
}

.page-products .pr-panel__desc {
  display: block;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted-on-ink);
}

.page-products .pr-panel__foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pr-rule-dark);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gold-500);
}

/* ---------- 01 获取方式 ---------- */

.page-products .pr-get {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 44px);
  align-items: start;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .pr-get__copy p {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--gray-600);
  margin: 0 0 16px;
}

.page-products .pr-get__copy p:first-child {
  color: var(--ink-900);
}

.page-products .pr-get__list {
  margin-top: 22px;
}

.page-products .pr-get__media,
.page-products .pr-switch__media,
.page-products .pr-plans__media,
.page-products .pr-versions__media,
.page-products .pr-scenes__media {
  margin: 0;
}

.page-products .pr-env {
  gap: clamp(18px, 2.4vw, 26px);
}

.page-products .pr-env__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .pr-env__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
  margin: 0;
}

.page-products .pr-env__facts {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-env__facts li {
  padding: 10px 0;
  border-bottom: 1px solid var(--pr-rule);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 02 订阅切换路径 ---------- */

.page-products .pr-steps {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
}

.page-products .pr-step {
  border-top: 1px solid var(--pr-rule-dark);
}

.page-products .pr-steps__item:last-child .pr-step {
  border-bottom: 1px solid var(--pr-rule-dark);
}

.page-products .pr-step__summary {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

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

.page-products .pr-step__summary::after {
  content: "";
  grid-column: 3;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--gold-500);
  border-bottom: 1px solid var(--gold-500);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--dur) var(--ease);
}

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

.page-products .pr-step__summary:hover .pr-step__title,
.page-products .pr-step__summary:focus-visible .pr-step__title {
  color: var(--orange-600);
}

.page-products .pr-step__summary:focus-visible {
  outline: 2px solid var(--orange-600);
  outline-offset: 3px;
}

.page-products .pr-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold-500);
}

.page-products .pr-step__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--paper-100);
  transition: color var(--dur) var(--ease);
}

.page-products .pr-step__body {
  padding: 0 0 20px 66px;
}

.page-products .pr-step__body p {
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  margin: 0;
}

/* ---------- 03 方案对照表 ---------- */

.page-products .pr-table-scroll {
  margin: 0 0 clamp(26px, 3.5vw, 40px);
}

.page-products .pr-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pr-table__caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray-600);
  padding-bottom: 12px;
}

.page-products .pr-table thead th {
  background: var(--ink-700);
  color: var(--paper-100);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .1em;
  text-align: left;
  padding: 14px 16px;
  border-right: 1px solid var(--ink-500);
}

.page-products .pr-table thead th:last-child { border-right: 0; }

.page-products .pr-table tbody th[scope="row"] {
  text-align: left;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--ink-900);
  padding: 18px 16px;
  vertical-align: top;
  border-bottom: 1px solid var(--gray-300);
  white-space: nowrap;
}

.page-products .pr-table tbody td {
  padding: 18px 16px;
  vertical-align: top;
  line-height: 1.75;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-300);
}

.page-products .pr-table tbody tr:nth-child(even) th,
.page-products .pr-table tbody tr:nth-child(even) td {
  background: rgba(237, 228, 211, .5);
}

.page-products .pr-table tbody tr:hover th[scope="row"] {
  color: var(--orange-600);
}

/* ---------- 04 权益层级 ---------- */

.page-products .pr-tiers {
  margin: clamp(24px, 3.5vw, 38px) 0 clamp(32px, 4.5vw, 52px);
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-tier {
  border-bottom: 1px solid var(--pr-rule);
}

.page-products .pr-tier__summary {
  display: grid;
  grid-template-columns: 48px auto minmax(0, 1fr) 22px;
  align-items: center;
  gap: 14px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

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

.page-products .pr-tier__summary:hover,
.page-products .pr-tier__summary:focus-visible {
  background: rgba(200, 145, 42, .09);
}

.page-products .pr-tier__summary:focus-visible {
  outline: 2px solid var(--orange-600);
  outline-offset: 2px;
}

.page-products .pr-tier__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold-500);
}

.page-products .pr-tier__name {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--ink-900);
}

.page-products .pr-tier__hint {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-600);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .pr-tier__mark {
  position: relative;
  width: 16px;
  height: 16px;
}

.page-products .pr-tier__mark::before,
.page-products .pr-tier__mark::after {
  content: "";
  position: absolute;
  background: var(--ink-500);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .pr-tier__mark::before {
  top: 7px; left: 0; width: 16px; height: 1px;
}

.page-products .pr-tier__mark::after {
  top: 0; left: 7px; width: 1px; height: 16px;
}

.page-products .pr-tier[open] .pr-tier__mark::after {
  transform: scaleY(0);
}

.page-products .pr-tier__summary:hover .pr-tier__mark::before,
.page-products .pr-tier__summary:hover .pr-tier__mark::after {
  background: var(--orange-600);
}

.page-products .pr-tier__body {
  padding: 0 4px 26px 62px;
}

.page-products .pr-tier__facts {
  margin: 0 0 18px;
  display: grid;
  gap: 0;
  max-width: 720px;
}

.page-products .pr-tier__fact {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  padding: 11px 0;
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-tier__fact:last-child {
  border-bottom: 1px solid var(--pr-rule);
}

.page-products .pr-tier__fact dt {
  font-size: 13.5px;
  letter-spacing: .08em;
  color: var(--gray-600);
}

.page-products .pr-tier__fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-900);
}

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

/* 适用范围双栏 */

.page-products .pr-scope {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
}

.page-products .pr-scope__col {
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--pr-rule);
  border-radius: 2px;
  background: var(--paper-100);
}

.page-products .pr-scope__col--ok {
  border-left: 3px solid var(--celadon-500);
}

.page-products .pr-scope__col--ask {
  border-left: 3px solid var(--orange-600);
}

.page-products .pr-scope__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--ink-900);
  margin: 0 0 14px;
}

.page-products .pr-scope__col--ok .pr-scope__title { color: var(--celadon-500); }
.page-products .pr-scope__col--ask .pr-scope__title { color: var(--orange-600); }

.page-products .pr-scope__list {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
}

/* ---------- 05 版本时间线 ---------- */

.page-products .pr-timeline {
  list-style: none;
  margin: 0 0 clamp(26px, 3.5vw, 42px);
  padding: 0 0 14px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(238px, 1fr);
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-timeline__node {
  position: relative;
  scroll-snap-align: start;
  padding: 44px 22px 18px 0;
  border-top: 1px solid var(--pr-rule-dark);
}

.page-products .pr-timeline__node:first-child { padding-left: 0; }

.page-products .pr-timeline__dot {
  position: absolute;
  top: -6px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--muted-on-ink);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .pr-timeline__node:not(:first-child) .pr-timeline__dot {
  left: 0;
}

.page-products .pr-timeline__dot--base { border-color: var(--paper-200); }
.page-products .pr-timeline__dot--now {
  background: var(--gold-500);
  border-color: var(--gold-500);
}

.page-products .pr-timeline__node:hover .pr-timeline__dot {
  border-color: var(--orange-600);
  background: var(--orange-600);
}

.page-products .pr-timeline__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  letter-spacing: .08em;
  color: var(--gold-500);
  margin-bottom: 10px;
}

.page-products .pr-timeline__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--paper-100);
  margin: 0 0 8px;
}

.page-products .pr-timeline__node p {
  font-size: 14px;
  line-height: 1.78;
  margin: 0;
  max-width: 30ch;
}

/* ---------- 06 使用场景 ---------- */

.page-products .pr-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 44px);
  align-items: start;
}

.page-products .pr-scenes__lede {
  font-size: 16px;
  line-height: 1.85;
  color: var(--gray-600);
  margin: 0 0 28px;
  max-width: 54ch;
}

.page-products .pr-scene {
  padding: 22px 0;
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-scene:last-of-type {
  border-bottom: 1px solid var(--pr-rule);
}

.page-products .pr-scene__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-500);
  margin: 0 0 10px;
}

.page-products .pr-scene__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink-900);
  margin: 0 0 10px;
}

.page-products .pr-scene p:not(.pr-scene__tag) {
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray-600);
  margin: 0;
  max-width: 56ch;
}

/* ---------- 07 支持与反馈 ---------- */

.page-products .pr-section--last {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-products .pr-support__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
}

.page-products .pr-support__col {
  padding: clamp(22px, 2.8vw, 30px);
  border: 1px solid var(--pr-rule-dark);
  border-radius: 2px;
  background: var(--ink-700);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-products .pr-support__head {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--paper-100);
  margin: 0;
}

.page-products .pr-support__col p {
  font-size: 14.5px;
  line-height: 1.82;
  margin: 0;
  color: var(--muted-on-ink);
}

.page-products .pr-support__col .st-btn {
  margin-top: auto;
}

.page-products .pr-support__contact {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.page-products .pr-support__contact li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--pr-rule-dark);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper-100);
  word-break: break-word;
}

.page-products .pr-support__label {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted-on-ink);
}

.page-products .pr-support__contact a {
  color: var(--gold-500);
  text-decoration: none;
}

.page-products .pr-support__contact a:hover,
.page-products .pr-support__contact a:focus-visible {
  color: var(--orange-600);
  text-decoration: underline;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-products .pr-scope {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .pr-support__col:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px) {
  .page-products .pr-get {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-products .pr-scenes {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  }

  .page-products .pr-scenes__media {
    position: sticky;
    top: 32px;
  }
}

@media (min-width: 960px) {
  .page-products .pr-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

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

  .page-products .pr-support__col:last-child {
    grid-column: auto;
  }
}

@media (max-width: 719px) {
  .page-products .pr-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .page-products .pr-table,
  .page-products .pr-table tbody,
  .page-products .pr-table tr,
  .page-products .pr-table th,
  .page-products .pr-table td {
    display: block;
    width: 100%;
  }

  .page-products .pr-table tbody tr {
    border: 1px solid var(--pr-rule);
    border-radius: 2px;
    margin-bottom: 16px;
    overflow: hidden;
    background: var(--paper-100);
  }

  .page-products .pr-table tbody tr:nth-child(even) th,
  .page-products .pr-table tbody tr:nth-child(even) td {
    background: transparent;
  }

  .page-products .pr-table tbody th[scope="row"] {
    background: var(--ink-700);
    color: var(--paper-100);
    border-bottom: 0;
    padding: 14px 16px;
    white-space: normal;
  }

  .page-products .pr-table tbody td {
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 0;
    border-top: 1px solid var(--gray-300);
  }

  .page-products .pr-table tbody td::before {
    content: attr(data-label);
    font-size: 12.5px;
    letter-spacing: .06em;
    color: var(--gray-600);
    padding-top: 2px;
  }

  .page-products .pr-tier__summary {
    grid-template-columns: 40px minmax(0, 1fr) 20px;
    grid-template-areas:
      "num name mark"
      "num hint mark";
    row-gap: 4px;
    padding: 18px 2px;
  }

  .page-products .pr-tier__num { grid-area: num; align-self: start; padding-top: 4px; }
  .page-products .pr-tier__name { grid-area: name; }
  .page-products .pr-tier__hint {
    grid-area: hint;
    white-space: normal;
    font-size: 13px;
  }
  .page-products .pr-tier__mark { grid-area: mark; }

  .page-products .pr-tier__body {
    padding: 0 2px 22px 42px;
  }

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

  .page-products .pr-step__summary {
    grid-template-columns: 42px minmax(0, 1fr) 18px;
    gap: 10px;
  }

  .page-products .pr-step__body {
    padding-left: 52px;
  }

  .page-products .pr-timeline {
    grid-auto-columns: minmax(212px, 78vw);
  }

  .page-products .pr-support__contact li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 1ms !important;
  }
}