.page-products {
  --prod-hair: var(--line-faint);
  --prod-panel: rgba(18, 59, 88, 0.62);
  --prod-deep: rgba(7, 24, 38, 0.92);
  background:
    radial-gradient(120% 55% at 8% 0%, rgba(99, 216, 232, 0.10), transparent 62%),
    radial-gradient(100% 45% at 94% 2%, rgba(182, 243, 90, 0.08), transparent 58%),
    var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  overflow-x: hidden;
}

.page-products .container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.page-products figure {
  margin: 0;
}

.page-products ol,
.page-products ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-link {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-products .prod-link:hover,
.page-products .prod-link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(2rem, 5vw, 3.25rem);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(1.25rem, 3vw, 2.25rem);
}

.page-products .prod-hero h1 {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0.4rem 0 0;
}

.page-products .prod-hero__intro {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  padding-left: 0.9rem;
  border-left: 2px solid var(--signal);
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .prod-hero__devices {
  border: 1px solid var(--prod-hair);
  background: linear-gradient(155deg, var(--prod-panel), rgba(7, 24, 38, 0.55));
  padding: clamp(0.85rem, 2vw, 1.3rem);
  box-shadow: var(--lift);
}

.page-products .prod-hero__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .prod-hero__figure {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

/* ---------- 规模带 ---------- */
.page-products .prod-band {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  border-block: 1px solid var(--prod-hair);
  background: linear-gradient(180deg, rgba(18, 59, 88, 0.45), rgba(7, 24, 38, 0.15));
}

.page-products .prod-band__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--prod-hair);
}

.page-products .prod-stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  background: var(--ink-900);
  padding: 1rem 0.9rem 1.1rem;
}

.page-products .prod-stat__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--signal);
}

.page-products .prod-stat__label {
  font-size: var(--fs-small);
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- 章节骨架 ---------- */
.page-products .prod-section {
  padding-block: clamp(2.25rem, 5vw, 3.75rem);
}

.page-products .prod-section__head {
  display: grid;
  gap: 0.45rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-products .prod-section__head .section-note {
  max-width: 58ch;
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.8;
}

/* ---------- 路径总览 ---------- */
.page-products .prod-path__list {
  display: grid;
  gap: 1rem;
}

.page-products .prod-path__step {
  border-top: 1px solid var(--line-soft);
  padding-top: 0.9rem;
}

.page-products .prod-path__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--signal);
}

.page-products .prod-path__title {
  margin: 0.35rem 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.35;
}

.page-products .prod-path__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-products .prod-path__title a:hover,
.page-products .prod-path__title a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-products .prod-path__text {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.7;
}

.page-products .prod-flow {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

/* ---------- 双端对照 ---------- */
.page-products .prod-pair__grid {
  display: grid;
  gap: 1rem;
}

.page-products .prod-device {
  --dev-accent: var(--signal);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border: 1px solid var(--prod-hair);
  border-top: 3px solid var(--dev-accent);
  background: linear-gradient(180deg, var(--prod-panel), var(--prod-deep));
  padding: clamp(1rem, 2.5vw, 1.75rem);
}

.page-products .prod-device--android {
  --dev-accent: var(--ice);
}

.page-products .prod-device .tag {
  align-self: flex-start;
}

.page-products .prod-device h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-products .prod-device p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.8;
}

.page-products .prod-device__steps {
  display: grid;
  gap: 0.55rem;
  counter-reset: devstep;
}

.page-products .prod-device__steps li {
  counter-increment: devstep;
  position: relative;
  padding-left: 2.1rem;
  color: var(--paper);
  font-size: var(--fs-small);
  line-height: 1.65;
}

.page-products .prod-device__steps li::before {
  content: counter(devstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--dev-accent);
}

.page-products .prod-device__note {
  border-top: 1px dashed var(--line-soft);
  padding-top: 0.7rem;
}

.page-products .prod-device__figure {
  margin-top: 0.25rem;
}

/* ---------- 费用块 ---------- */
.page-products .prod-fee {
  display: grid;
  gap: 0.6rem;
  border: 1px dashed var(--line);
  background: rgba(7, 24, 38, 0.7);
  padding: 0.85rem 0.9rem;
}

.page-products .prod-fee__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .prod-fee__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-products .prod-fee__more summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  list-style: none;
  padding-bottom: 0.12rem;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  font-size: var(--fs-small);
}

.page-products .prod-fee__more summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-fee__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-products .prod-fee__more[open] summary::after {
  content: "\2212";
}

.page-products .prod-fee__more p {
  margin: 0.65rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 账号与资料 ---------- */
.page-products .prod-account__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: start;
}

.page-products .prod-account__body {
  display: grid;
  gap: 1rem;
}

.page-products .prod-account__body > p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.85;
}

.page-products .prod-account__list {
  display: grid;
  gap: 0.7rem;
}

.page-products .prod-account__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  border-bottom: 1px solid var(--prod-hair);
  padding-bottom: 0.7rem;
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.7;
}

.page-products .prod-account__list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-products .prod-account__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-products .prod-account__more {
  padding-left: 0.9rem;
  border-left: 2px solid var(--ice);
  font-size: var(--fs-small);
  color: var(--muted);
}

/* ---------- 版本适配 ---------- */
.page-products .prod-update__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.page-products .prod-update__timeline {
  display: grid;
  gap: 1.05rem;
  border-left: 1px solid var(--line-soft);
  padding-left: 1.15rem;
}

.page-products .prod-update__item {
  position: relative;
}

.page-products .prod-update__item::before {
  content: "";
  position: absolute;
  left: -1.42rem;
  top: 0.55rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 180, 84, 0.18);
}

.page-products .prod-update__when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .prod-update__title {
  margin: 0.18rem 0 0.2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .prod-update__text {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 场景条 ---------- */
.page-products .prod-scenes__strip {
  display: grid;
  gap: 0.75rem;
}

.page-products .prod-scene {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  border: 1px solid var(--prod-hair);
  background: linear-gradient(135deg, var(--prod-panel), rgba(7, 24, 38, 0.35));
  padding: 0.95rem 1rem;
  color: inherit;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease;
}

.page-products .prod-scene:hover,
.page-products .prod-scene:focus-visible {
  border-color: var(--signal);
  background: linear-gradient(135deg, rgba(18, 59, 88, 0.85), rgba(7, 24, 38, 0.5));
}

.page-products .prod-scene__idx {
  padding-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-products .prod-scene__title {
  display: block;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .prod-scene__text {
  display: block;
  margin-top: 0.2rem;
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-products .prod-close {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-close__inner {
  display: grid;
  gap: 1.25rem;
}

.page-products .prod-close__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.3;
}

.page-products .prod-close__contact {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  line-height: 1.95;
  color: var(--muted);
  word-break: break-word;
}

.page-products .prod-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .prod-path__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

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

  .page-products .prod-close__inner {
    grid-template-columns: minmax(0, 1.15fr) auto;
    align-items: center;
  }
}

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

  .page-products .prod-pair__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-products .prod-account__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-products .prod-update__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 2rem;
  }
}

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

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

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-link,
  .page-products .prod-path__title a,
  .page-products .prod-scene {
    transition: none;
  }
}