.page-products {
  --products-accent: var(--ion-cyan);
  --products-glow-a: radial-gradient(circle at 28% 18%, rgba(47, 227, 214, .18), transparent 55%);
  --products-glow-b: radial-gradient(circle at 72% 82%, rgba(108, 75, 246, .16), transparent 60%);
  --products-panel-bg: linear-gradient(165deg, rgba(19, 26, 58, .92), rgba(11, 16, 36, .92));
}

/* ——— 面包屑 ——— */
.page-products .breadcrumb-wrap {
  padding: 14px 0 0;
  background: var(--deep-space);
}

.page-products .breadcrumb-wrap .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--alloy-grey);
}

.page-products .breadcrumb-wrap .breadcrumb a {
  color: var(--alloy-grey);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-products .breadcrumb-wrap .breadcrumb a:hover {
  color: var(--ion-cyan);
}

.page-products .breadcrumb-wrap .breadcrumb__sep {
  color: var(--ion-cyan);
  opacity: .7;
}

.page-products .breadcrumb-wrap .breadcrumb [aria-current="page"] {
  color: var(--mist-white);
}

/* ——— 首屏 ——— */
.page-products .products-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 112px) 0 clamp(40px, 5vw, 88px);
  background: var(--deep-space);
  isolation: isolate;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--products-glow-a), var(--products-glow-b);
  pointer-events: none;
  z-index: -2;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(168, 176, 200, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 176, 200, .055) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 30%, transparent 78%);
  pointer-events: none;
  z-index: -1;
}

.page-products .products-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 48px);
  align-items: end;
}

.page-products .products-hero__title {
  margin: 18px 0 22px;
  font-size: var(--fs-display);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--mist-white);
}

.page-products .products-hero__lead {
  max-width: 62ch;
  margin: 0 0 30px;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--alloy-grey);
}

.page-products .products-hero__caps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .products-cap {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: rgba(11, 16, 36, .55);
  color: var(--alloy-grey);
  font-size: var(--fs-14);
  letter-spacing: .02em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .products-cap:hover,
.page-products .products-cap:focus-visible {
  color: var(--deep-space);
  background: var(--ion-cyan);
  border-color: var(--ion-cyan);
}

.page-products .products-hero__mark {
  display: none;
  margin: 0;
}

/* ——— 四端入口总览 ——— */
.page-products .entry-overview {
  background: var(--orbital-navy);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .platform-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: -moz-fit-content;
  width: fit-content;
  max-width: 100%;
  margin-bottom: clamp(24px, 3vw, 40px);
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(5, 6, 14, .6);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .platform-tabs::-webkit-scrollbar {
  display: none;
}

.page-products .platform-tabs .tabs__btn {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 10px 22px;
  border: none;
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--alloy-grey);
  font-family: inherit;
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .platform-tabs .tabs__btn:hover {
  color: var(--mist-white);
}

.page-products .platform-tabs .tabs__btn[aria-selected="true"] {
  background: var(--ion-cyan);
  color: var(--deep-space);
  font-weight: 700;
}

.page-products .platform-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  margin-bottom: clamp(36px, 5vw, 68px);
}

.page-products .platform-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--products-panel-bg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .platform-panel::after {
  content: "";
  position: absolute;
  top: -46%;
  right: -22%;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 227, 214, .24), transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

.page-products .platform-panel:hover {
  border-color: var(--ion-cyan);
  transform: translateY(-3px);
}

.page-products .platform-panel:hover::after {
  opacity: 1;
}

.page-products .platform-panel__title {
  margin: 14px 0 10px;
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--mist-white);
}

.page-products .platform-panel__scene {
  margin: 0 0 16px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--alloy-grey);
}

.page-products .platform-panel__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--alloy-grey);
}

.page-products .platform-panel__list li {
  position: relative;
  padding-left: 16px;
}

.page-products .platform-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ion-cyan);
}

.page-products .platform-panel__list a {
  color: var(--ion-cyan);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
  transition: color var(--dur) var(--ease);
}

.page-products .platform-panel__list a:hover {
  color: var(--solar-gold);
}

/* ——— 通用图框节奏 ——— */
.page-products .products-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

.page-products .products-figure--center {
  max-width: 720px;
  margin-inline: auto;
}

/* ——— 网页版步骤 ——— */
.page-products .web-steps {
  background: var(--deep-space);
}

.page-products .steps-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4vw, 60px);
  margin-bottom: clamp(36px, 5vw, 68px);
}

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

.page-products .web-step-list::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 34px;
  bottom: 34px;
  width: 2px;
  background: linear-gradient(180deg, rgba(47, 227, 214, .55), rgba(108, 75, 246, .28) 60%, transparent);
  pointer-events: none;
}

.page-products .web-step-list .step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: clamp(16px, 2vw, 26px);
  padding: clamp(18px, 2.4vw, 26px) 0;
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.page-products .web-step-list .step:last-child {
  border-bottom: none;
}

.page-products .web-step-list .step__num {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1.5px solid var(--ion-cyan);
  background: var(--deep-space);
  color: var(--ion-cyan);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-products .web-step-list .step__title {
  margin: 4px 0 8px;
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--mist-white);
}

.page-products .web-step-list .step__body p {
  max-width: 58ch;
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--alloy-grey);
}

/* ——— 适配 ——— */
.page-products .adapt {
  background: var(--orbital-navy);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .adapt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

.page-products .adapt-notes {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.6vw, 34px);
}

.page-products .adapt-note h3 {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--mist-white);
}

.page-products .adapt-note ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .adapt-note li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-16);
  line-height: 1.72;
  color: var(--alloy-grey);
}

.page-products .adapt-note li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 9px;
  height: 2px;
  background: var(--ion-cyan);
}

/* ——— 版本节奏 ——— */
.page-products .changelog {
  background: var(--deep-space);
}

.page-products .timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  list-style: none;
  margin: 0 0 clamp(36px, 5vw, 64px);
  padding: 0;
}

.page-products .timeline__item {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--nebula-violet);
  border-radius: var(--r-lg);
  background: rgba(19, 26, 58, .62);
}

.page-products .timeline__item:nth-child(2) {
  border-top-color: var(--ion-cyan);
}

.page-products .timeline__item:nth-child(3) {
  border-top-color: var(--aurora-green);
}

.page-products .timeline__item:nth-child(4) {
  border-top-color: var(--solar-gold);
}

.page-products .timeline__title {
  margin: 14px 0 10px;
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--mist-white);
}

.page-products .timeline__item p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--alloy-grey);
}

/* ——— 旧版对照 ——— */
.page-products .legacy-map {
  background: var(--orbital-navy);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .legacy-table__caption {
  text-align: left;
  padding: 0 0 16px;
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--alloy-grey);
  caption-side: top;
}

.page-products .legacy-table {
  width: 100%;
  min-width: 760px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--fs-16);
}

.page-products .legacy-table th {
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-en);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ion-cyan);
  text-align: left;
  white-space: nowrap;
}

.page-products .legacy-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--alloy-grey);
  line-height: 1.68;
  vertical-align: top;
}

.page-products .legacy-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .legacy-table tbody tr:hover,
.page-products .legacy-table tbody tr:focus-within {
  background: rgba(47, 227, 214, .07);
}

.page-products .legacy-table tbody tr:hover .legacy-old,
.page-products .legacy-table tbody tr:focus-within .legacy-old {
  color: var(--solar-gold);
}

.page-products .legacy-old {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--alloy-grey);
  transition: color var(--dur) var(--ease);
}

.page-products .legacy-arrow {
  display: inline-block;
  margin-right: 8px;
  color: var(--ion-cyan);
  font-family: var(--font-mono);
}

/* ——— 常见问题 ——— */
.page-products .help {
  background: var(--deep-space);
}

.page-products .accordion {
  margin-bottom: clamp(30px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(19, 26, 58, .45);
}

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

.page-products .accordion__item:last-child {
  border-bottom: none;
}

.page-products .accordion__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 44px;
  padding: 20px 24px;
  border: none;
  background: transparent;
  color: var(--mist-white);
  font-family: inherit;
  font-size: var(--fs-16);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-products .accordion__btn:hover {
  color: var(--ion-cyan);
}

.page-products .accordion__btn::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--ion-cyan);
}

.page-products .accordion__item[data-open="true"] .accordion__btn::after {
  content: "–";
}

.page-products .accordion__panel {
  display: none;
  padding: 0 24px 22px;
  color: var(--alloy-grey);
  font-size: var(--fs-16);
  line-height: 1.78;
}

.page-products .accordion__item[data-open="true"] .accordion__panel {
  display: block;
}

.page-products .accordion__panel p {
  max-width: 68ch;
  margin: 0;
}

.page-products .help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ——— 响应式 ——— */
@media (min-width: 640px) {
  .page-products .platform-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .products-hero__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-products .products-hero__mark {
    display: flex;
    align-items: flex-end;
    padding-bottom: 14px;
  }

  .page-products .adapt-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .steps-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .platform-panels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .platform-panel,
  .page-products .platform-panel::after,
  .page-products .products-cap,
  .page-products .accordion__btn,
  .page-products .legacy-old,
  .page-products .legacy-table tbody tr {
    transition: none;
  }

  .page-products .platform-panel:hover {
    transform: none;
  }
}