.page-products {
  --pp-gap: clamp(18px, 3vw, 36px);
  --pp-soft: rgba(243, 246, 242, 0.055);
  --pp-body: rgba(243, 246, 242, 0.76);
  color: var(--fog);
  position: relative;
  overflow-x: clip;
}

.page-products .breadcrumb {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: clamp(18px, 4vw, 40px) 0 clamp(36px, 6vw, 72px);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: -70px -20% auto -20%;
  height: 560px;
  background:
    radial-gradient(ellipse at 22% 0%, rgba(255, 77, 46, 0.2), transparent 62%),
    radial-gradient(ellipse at 78% 12%, rgba(46, 139, 255, 0.16), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero-grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .prod-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.7rem, 9vw, 5.4rem);
  line-height: 0.94;
  letter-spacing: -0.015em;
  margin: 0.14em 0 0.34em;
}

.page-products .prod-title em {
  display: block;
  font-style: normal;
  font-size: 0.56em;
  line-height: 1.04;
  margin-top: 0.28em;
  color: rgba(243, 246, 242, 0.12);
  -webkit-text-stroke: 1px rgba(243, 246, 242, 0.44);
}

.page-products .lede {
  max-width: 44ch;
  color: var(--pp-body);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.82;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .prod-hero-tag {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(42, 52, 49, 0.92), rgba(18, 20, 23, 0.78));
  padding: clamp(18px, 3vw, 26px);
  box-shadow: var(--shadow-panel);
}

.page-products .prod-hero-facts {
  margin: 14px 0 0;
  display: grid;
  gap: 13px;
}

.page-products .prod-hero-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .prod-hero-facts > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prod-hero-facts dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .prod-hero-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fog);
}

/* ---------- 通用小标题 ---------- */
.page-products .prod-head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3.5vw, 40px);
}

.page-products .prod-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.4vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.005em;
  margin: 0.26em 0 0.48em;
}

.page-products .prose {
  max-width: 42ch;
  color: var(--pp-body);
  line-height: 1.8;
}

/* ---------- 图片框 ---------- */
.page-products .frame--prod {
  aspect-ratio: auto;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--stand);
}

.page-products .frame--prod .frame-media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .frame--prod .frame-caption {
  padding: 12px 16px 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 平台切换 ---------- */
.page-products .plat-switch {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .plat-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .plat-tabs {
  display: flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 20, 23, 0.66);
  justify-self: start;
  max-width: 100%;
}

.page-products .plat-tab {
  cursor: pointer;
  padding: 9px 22px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-align: center;
  transition: background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-products .plat-tab:hover {
  color: var(--fog);
}

.page-products #plat-ios:checked ~ .plat-tabs [for="plat-ios"],
.page-products #plat-android:checked ~ .plat-tabs [for="plat-android"],
.page-products #plat-desktop:checked ~ .plat-tabs [for="plat-desktop"] {
  background: var(--flame);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(255, 77, 46, 0.34);
}

.page-products #plat-ios:focus-visible ~ .plat-tabs [for="plat-ios"],
.page-products #plat-android:focus-visible ~ .plat-tabs [for="plat-android"],
.page-products #plat-desktop:focus-visible ~ .plat-tabs [for="plat-desktop"] {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-products .plat-panel {
  display: none;
  border: 1px solid var(--line);
  border-left: 2px solid var(--flame);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--pp-soft);
  padding: clamp(18px, 3vw, 26px);
}

.page-products #plat-ios:checked ~ .plat-body #plat-panel-ios,
.page-products #plat-android:checked ~ .plat-body #plat-panel-android,
.page-products #plat-desktop:checked ~ .plat-body #plat-panel-desktop {
  display: block;
}

.page-products .plat-badge {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--electric);
}

.page-products .plat-panel h3 {
  margin: 0 0 0.5em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}

.page-products .plat-panel p {
  margin: 0;
  max-width: 40ch;
  color: var(--pp-body);
  line-height: 1.8;
  font-size: 0.96rem;
}

.page-products .plat-link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 224, 200, 0.45);
  padding-bottom: 2px;
}

.page-products .plat-link:hover {
  color: var(--fog);
  border-bottom-color: var(--fog);
}

/* ---------- 苹果专区 ---------- */
.page-products .prod-ios-grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .checklist {
  counter-reset: ck;
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
}

.page-products .checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--pp-body);
}

.page-products .checklist li::before {
  counter-increment: ck;
  content: "0" counter(ck);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--electric);
  padding-top: 0.3em;
}

/* ---------- 会员权益 ---------- */
.page-products .prod-wvrx {
  position: relative;
}

.page-products .prod-wvrx::before {
  content: "";
  position: absolute;
  inset: 0 -10% auto -10%;
  height: 420px;
  background: radial-gradient(ellipse at 70% 0%, rgba(46, 139, 255, 0.14), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-wvrx .container {
  position: relative;
  z-index: 1;
}

.page-products .prod-wvrx-grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .prod-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-products .prod-strip .data-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(18, 20, 23, 0.78);
}

.page-products .prod-strip .data-value {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  font-weight: 700;
  line-height: 1;
}

.page-products .prod-strip .data-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-align: right;
}

.page-products .prod-strip .data-item:nth-child(1) .data-value { color: var(--electric); }
.page-products .prod-strip .data-item:nth-child(2) .data-value { color: var(--mint); }
.page-products .prod-strip .data-item:nth-child(3) .data-value { color: var(--amber); }
.page-products .prod-strip .data-item:nth-child(4) .data-value { color: var(--violet); }

.page-products .benefit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-products .benefit {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(18, 20, 23, 0.55);
  padding: 0 18px;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .benefit:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-panel);
}

.page-products .benefit:nth-child(1) { border-top: 2px solid var(--flame); }
.page-products .benefit:nth-child(2) { border-top: 2px solid var(--amber); }
.page-products .benefit:nth-child(3) { border-top: 2px solid var(--electric); }
.page-products .benefit:nth-child(4) { border-top: 2px solid var(--mint); }

.page-products .benefit summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 17px 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--fog);
}

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

.page-products .benefit summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--flame);
  transition: transform 0.24s var(--ease);
}

.page-products .benefit[open] summary::after {
  transform: rotate(45deg);
}

.page-products .benefit p {
  margin: 0 0 18px;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--pp-body);
}

/* ---------- 信息流 ---------- */
.page-products .prod-feed-grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .prod-feed .btn {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-products .feed-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(42, 52, 49, 0.88), rgba(18, 20, 23, 0.72));
  padding: clamp(18px, 3vw, 26px);
}

.page-products .feed-panel .panel-tag {
  display: block;
  margin-bottom: 10px;
}

.page-products .feed-row {
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr) 3.2rem;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .feed-row:last-of-type {
  border-bottom: 0;
}

.page-products .feed-sport {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--mint);
}

.page-products .feed-bar {
  display: block;
  height: 6px;
  border-radius: 999px;
  background: rgba(243, 246, 242, 0.1);
  overflow: hidden;
}

.page-products .feed-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--electric), var(--mint));
}

.page-products .feed-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-align: right;
}

.page-products .feed-total {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fog);
}

/* ---------- 两步回访 ---------- */
.page-products .prod-return-grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .steps {
  list-style: none;
  margin: clamp(22px, 3.5vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .step {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--pp-soft);
  padding: 20px 18px;
}

.page-products .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  line-height: 1;
  color: var(--flame);
  margin-bottom: 12px;
}

.page-products .step h3 {
  margin: 0 0 0.5em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
}

.page-products .step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--pp-body);
}

/* ---------- 版本节点 ---------- */
.page-products .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .timeline li {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

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

.page-products .timeline-year {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--electric);
}

.page-products .timeline-text {
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--pp-body);
}

.page-products .prod-help {
  margin-top: clamp(24px, 4vw, 42px);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-left: 3px solid var(--flame);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(120deg, rgba(255, 77, 46, 0.12), rgba(46, 139, 255, 0.08));
}

.page-products .prod-help h3 {
  margin: 0 0 0.5em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
}

.page-products .prod-help p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--pp-body);
}

.page-products .prod-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 尾部 ---------- */
.page-products .prod-closer {
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(30px, 6vw, 64px);
}

.page-products .prod-closer-frame .frame-media {
  max-height: 420px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 601px) {
  .page-products .benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .step:first-child::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -12px;
    width: 16px;
    height: 1px;
    background: var(--line-strong);
  }
}

@media (max-width: 600px) {
  .page-products .plat-tabs {
    width: 100%;
    justify-self: stretch;
  }

  .page-products .plat-tab {
    flex: 1 1 0;
    padding: 9px 6px;
    font-size: 0.76rem;
  }

  .page-products .timeline li {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    gap: 12px;
  }

  .page-products .feed-row {
    grid-template-columns: 3.8rem minmax(0, 1fr) 2.8rem;
    gap: 10px;
  }

  .page-products .prod-help-actions {
    width: 100%;
  }
}

@media (min-width: 901px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-products .plat-switch {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-products .plat-tabs,
  .page-products .plat-body {
    grid-column: 1;
  }

  .page-products .plat-switch > .frame--prod {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: stretch;
  }

  .page-products .plat-switch > .frame--prod .frame-media {
    height: 100%;
    object-fit: cover;
  }

  .page-products .prod-ios-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .prod-wvrx-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .prod-feed-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .prod-return-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .timeline {
    max-width: 78ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .plat-tab,
  .page-products .benefit,
  .page-products .benefit summary::after {
    transition: none;
  }

  .page-products .benefit:hover {
    transform: none;
  }
}