.page-products {
  --pp-gap: 18px;
  --pp-gap-tight: 12px;
}

/* 页头 */
.page-products .page-head {
  padding: 40px 0 56px;
  background:
    radial-gradient(120% 140% at 82% 0%, rgba(63, 240, 200, .12) 0%, transparent 58%),
    linear-gradient(180deg, #08130F 0%, #0E241C 100%);
  border-bottom: 1px solid var(--moss);
}

.page-products .page-head__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-products .page-head h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.02em;
  font-size: 34px;
  line-height: 1.22;
  color: var(--paper);
  max-width: 20ch;
}

.page-products .page-head__lede {
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-products .page-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products .page-head .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--stone-2);
}

.page-products .page-head .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--moss);
}

.page-products .page-head .breadcrumbs__item a {
  color: var(--mist);
  text-decoration: none;
}

.page-products .page-head .breadcrumbs__item a:hover {
  color: var(--cyan);
}

/* 平台布局 */
.page-products .platform-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
}

.page-products .platform-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.page-products .platform-rail__link {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--moss);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  font-family: var(--font-data);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .platform-rail__link:hover,
.page-products .platform-rail__link.is-active {
  border-color: var(--cyan);
  color: var(--night);
  background: var(--cyan);
}

.page-products .platform-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .platform-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 20px;
  background: var(--court);
  border: 1px solid var(--moss);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-card);
}

.page-products .platform-card__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-products .platform-card__icon {
  flex: none;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--r-soft);
  border: 1px solid var(--moss);
  background: rgba(63, 240, 200, .06);
  color: var(--cyan);
}

.page-products .platform-card__icon svg {
  width: 28px;
  height: 28px;
}

.page-products .platform-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-products .platform-card__spec {
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone-2);
  margin: 0;
}

.page-products .platform-card__scene {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0;
}

.page-products .platform-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 4px;
}

.page-products .platform-card .btn {
  padding: 8px 14px;
  font-size: 13px;
}

/* 版本对比 */
.page-products .version-board {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-products .version-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: var(--r-soft) var(--r-soft) 0 0;
  border: 1px solid var(--moss);
  border-bottom: none;
}

.page-products .version-col--old {
  background: rgba(110, 124, 119, .12);
  color: var(--stone-2);
}

.page-products .version-col--new {
  background: var(--court);
  border-color: rgba(63, 240, 200, .5);
  color: var(--cyan);
  margin-top: -1px;
}

.page-products .version-col__label {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0;
  color: inherit;
  opacity: .78;
}

.page-products .version-col__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  margin: 0;
  color: inherit;
}

.page-products .version-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 18px 16px;
  border: 1px solid var(--moss);
  border-top: none;
  background: var(--court);
}

.page-products .version-row:last-child {
  border-radius: 0 0 var(--r-card) var(--r-card);
}

.page-products .version-row__label {
  font-size: 14px;
  color: var(--mist);
  margin: 0;
}

.page-products .version-row__bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .version-bar {
  display: block;
  position: relative;
  height: 8px;
  border-radius: var(--r-pill);
  background: rgba(28, 58, 46, .8);
  overflow: hidden;
}

.page-products .version-bar__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.page-products .version-bar--old .version-bar__fill {
  width: 100%;
  background: linear-gradient(90deg, rgba(110, 124, 119, .9), rgba(110, 124, 119, .45));
}

.page-products .version-bar--new .version-bar__fill {
  width: 34%;
  background: linear-gradient(90deg, var(--cyan), var(--mist));
}

.page-products .version-row__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0;
}

/* 安装步骤 */
.page-products .steps {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .step {
  position: relative;
  padding: 24px 20px 22px;
  background: var(--night);
  border: 1px solid var(--moss);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-products .step__num {
  display: block;
  font-size: 44px;
  line-height: 1;
  font-weight: 700;
  color: var(--cyan);
  opacity: .88;
  margin-bottom: 12px;
}

.page-products .step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-products .step__body {
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
  margin: 0 0 10px;
}

.page-products .step__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
}

.page-products .step__hint a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, .4);
}

.page-products .step__hint a:hover {
  border-bottom-color: var(--amber);
}

.page-products .steps-figure {
  margin: 32px 0 0;
}

.page-products .steps-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-card);
  border: 1px solid var(--moss);
  object-fit: cover;
}

.page-products .steps-figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-2);
}

/* 同步 */
.page-products .sync-panel {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .sync-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin: 0 0 20px;
}

.page-products .sync-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--moss);
}

.page-products .sync-list__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--moss);
}

.page-products .sync-list__key {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--cyan);
}

.page-products .sync-list__val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .sync-copy__foot {
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-2);
  margin: 20px 0 0 !important;
}

.page-products .sync-copy__foot a {
  color: var(--mist);
  border-bottom: 1px solid rgba(168, 245, 226, .35);
  text-decoration: none;
}

.page-products .sync-copy__foot a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .sync-media {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--moss);
}

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

/* 手机端 */
.page-products .phone-panel {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .phone-panel__media {
  margin: 0 auto;
  width: 100%;
  max-width: 320px;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid var(--moss);
  background: var(--court);
}

.page-products .phone-panel__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .phone-panel__copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin: 0 0 20px;
}

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

.page-products .phone-points li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  background: var(--night);
  border: 1px solid var(--moss);
  border-radius: var(--r-soft);
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-products .phone-points .num {
  flex: none;
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  min-width: 26px;
}

.page-products .phone-panel__foot {
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-2);
  margin: 20px 0 0;
}

.page-products .phone-panel__foot a {
  color: var(--mist);
  border-bottom: 1px solid rgba(168, 245, 226, .35);
  text-decoration: none;
}

.page-products .phone-panel__foot a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 订阅（米白纸面） */
.page-products .section--paper .section__title {
  color: var(--graphite);
}

.page-products .section--paper .section__lede {
  color: #3E4F48;
}

.page-products .section--paper .eyebrow {
  color: var(--ink-on-paper);
}

.page-products .subs-panel {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .subs-panel__media {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid rgba(18, 33, 28, .14);
}

.page-products .subs-panel__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .subs-options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(18, 33, 28, .18);
}

.page-products .subs-option {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(18, 33, 28, .18);
}

.page-products .subs-option__value {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-on-paper);
}

.page-products .subs-option__label {
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .subs-timeline {
  margin-top: 32px;
  padding: 22px 20px;
  background: rgba(255, 255, 255, .55);
  border: 1px solid rgba(18, 33, 28, .14);
  border-radius: var(--r-card);
}

.page-products .subs-timeline__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--graphite);
  margin: 0 0 16px;
}

.page-products .subs-timeline__bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .subs-timeline__seg {
  display: block;
  padding: 12px 14px;
  border-radius: var(--r-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
}

.page-products .subs-timeline__seg .num {
  font-weight: 700;
  margin-right: 6px;
}

.page-products .subs-timeline__seg--pre {
  background: rgba(255, 138, 61, .22);
  border-left: 3px solid var(--amber);
}

.page-products .subs-timeline__seg--live {
  background: rgba(18, 33, 28, .08);
  border-left: 3px solid rgba(18, 33, 28, .35);
}

.page-products .subs-timeline__seg--post {
  background: rgba(12, 90, 71, .14);
  border-left: 3px solid var(--ink-on-paper);
}

/* 桌面端 */
.page-products .desktop-shot {
  margin: 32px 0 0;
}

.page-products .desktop-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-card);
  border: 1px solid var(--moss);
  object-fit: cover;
}

.page-products .desktop-shot__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-2);
}

.page-products .desktop-tips {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap-tight);
}

.page-products .desktop-tip {
  padding: 20px;
  background: var(--night);
  border: 1px solid var(--moss);
  border-radius: var(--r-card);
}

.page-products .desktop-tip__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-products .desktop-tip p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
  margin: 0;
}

.page-products .desktop-tip .num {
  color: var(--amber);
  font-weight: 700;
  padding: 0 4px;
  background: rgba(255, 138, 61, .12);
  border-radius: 4px;
}

/* 系统要求 */
.page-products .req-list {
  margin: 32px 0 0;
  padding: 0;
  border-top: 1px solid var(--moss);
}

.page-products .req-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 12px;
  border-bottom: 1px solid var(--moss);
  transition: background-color var(--dur) var(--ease);
}

.page-products .req-row dt {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .req-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .known {
  margin-top: 40px;
}

.page-products .known .accordion {
  margin-top: 16px;
  border-top: 1px solid var(--moss);
}

.page-products .known .accordion__item {
  border-bottom: 1px solid var(--moss);
}

.page-products .known .accordion__summary {
  padding: 16px 4px;
  cursor: pointer;
  font-size: 15px;
  color: var(--mist);
  list-style: none;
}

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

.page-products .known .accordion__summary::after {
  content: "+";
  float: right;
  font-family: var(--font-data);
  color: var(--cyan);
}

.page-products .known .accordion__item[open] .accordion__summary::after {
  content: "–";
}

.page-products .known .accordion__panel {
  padding: 0 4px 18px;
}

.page-products .known .accordion__panel p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
  margin: 0;
}

.page-products .known .accordion__panel a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, .4);
}

.page-products .known .accordion__panel a:hover {
  border-bottom-color: var(--amber);
}

.page-products .req-cta {
  margin-top: 36px;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  background: linear-gradient(120deg, var(--court) 0%, var(--night) 100%);
  border: 1px solid var(--moss);
  border-left: 3px solid var(--amber);
  border-radius: var(--r-card);
}

.page-products .req-cta__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-products .req-cta p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0;
}

/* 平板 */
@media (min-width: 720px) {
  .page-products .page-head {
    padding: 56px 0 72px;
  }

  .page-products .page-head h1 {
    font-size: 46px;
  }

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

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

  .page-products .sync-copy p {
    font-size: 16px;
  }

  .page-products .sync-list__item {
    flex-direction: row;
    align-items: baseline;
    gap: 18px;
  }

  .page-products .sync-list__key {
    flex: none;
    width: 108px;
  }

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

  .page-products .req-row {
    flex-direction: row;
    align-items: baseline;
    gap: 24px;
  }

  .page-products .req-row dt {
    flex: none;
    width: 130px;
  }

  .page-products .req-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 30px 32px;
  }

  .page-products .subs-timeline__bar {
    flex-direction: row;
  }

  .page-products .subs-timeline__seg {
    flex: 1;
  }

  .page-products .subs-timeline__seg--pre { flex: 0 0 26%; }
  .page-products .subs-timeline__seg--post { flex: 0 0 30%; }
}

/* 桌面 */
@media (min-width: 1000px) {
  .page-products .page-head h1 {
    font-size: 58px;
    max-width: 22ch;
  }

  .page-products .platform-layout {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 32px;
  }

  .page-products .platform-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-products .platform-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-left: 1px solid var(--moss);
  }

  .page-products .platform-rail__link {
    display: block;
    padding: 12px 10px 12px 14px;
    border-radius: 0;
    border: none;
    border-left: 2px solid transparent;
    margin-left: -1px;
    color: var(--stone-2);
    background: transparent;
  }

  .page-products .platform-rail__link:hover,
  .page-products .platform-rail__link.is-active {
    background: transparent;
    color: var(--cyan);
    border-left-color: var(--cyan);
  }

  .page-products .version-board {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .version-col--old {
    border-radius: var(--r-soft) 0 0 0;
  }

  .page-products .version-col--new {
    border-radius: 0 var(--r-soft) 0 0;
    margin-top: 0;
    margin-left: -1px;
    border-left: none;
  }

  .page-products .version-row {
    grid-column: 1 / -1;
    grid-template-columns: 200px minmax(0, 1fr) 320px;
    gap: 24px;
    align-items: center;
  }

  .page-products .version-row__bars {
    flex-direction: column;
    gap: 8px;
  }

  .page-products .version-row__note {
    margin: 0;
  }

  .page-products .sync-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 40px;
    align-items: center;
  }

  .page-products .phone-panel {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }

  .page-products .phone-panel__media {
    max-width: 100%;
  }

  .page-products .subs-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }
}

/* 减少动态 */
@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    animation: none !important;
    transition: none !important;
  }

  .page-products .platform-rail__link,
  .page-products .req-row {
    transition: none;
  }
}
<<<END>>>