.page-products {
  --pro-radius: 20px;
  --pro-gap: 16px;
}

.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--cyan-neon);
  outline-offset: 3px;
}

.page-products .pro-crumb-now {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-mid);
}

/* ---------- 顶部版本轨道导航带 ---------- */
.page-products .pro-rail {
  margin: 12px 0 clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background:
    repeating-linear-gradient(104deg, rgba(122, 59, 255, .07) 0 2px, transparent 2px 15px),
    linear-gradient(96deg, rgba(122, 59, 255, .22), rgba(31, 224, 208, .10) 58%, rgba(22, 28, 60, .35));
}

.page-products .pro-rail__list {
  display: flex;
  align-items: stretch;
  gap: 6px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pro-rail__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-products .pro-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 15px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text-mid);
  background: rgba(22, 28, 60, .72);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pro-rail__link:hover {
  color: var(--text-high);
  background: var(--bg-panel-raise);
  box-shadow: inset 0 0 0 1px var(--cyan-neon);
}

.page-products .pro-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan-neon);
}

/* ---------- 首屏 ---------- */
.page-products .pro-hero {
  padding-block: 0 clamp(28px, 4vw, 52px);
}

.page-products .pro-hero__grid {
  display: grid;
  gap: 24px;
}

.page-products .pro-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--text-high);
}

.page-products .pro-hero__accent {
  position: relative;
  color: var(--cyan-neon);
  white-space: nowrap;
}

.page-products .pro-hero__accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .06em;
  height: 3px;
  background: linear-gradient(90deg, var(--violet-core), rgba(122, 59, 255, 0));
  opacity: .8;
}

.page-products .pro-hero__text {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-mid);
}

.page-products .pro-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .pro-hero__brief {
  padding: 22px 20px 20px;
  background: linear-gradient(155deg, rgba(31, 224, 208, .13), rgba(30, 38, 80, .94) 56%, rgba(58, 28, 140, .55));
  box-shadow: inset 0 0 0 1px rgba(31, 224, 208, .34);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-products .pro-brief__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan-neon);
}

.page-products .pro-brief__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pro-brief__k {
  color: var(--text-low);
}

.page-products .pro-brief__v {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-high);
  text-align: right;
}

.page-products .pro-brief__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-low);
}

/* ---------- 区块通用 ---------- */
.page-products .pro-sec {
  padding-block: clamp(32px, 5vw, 64px);
  scroll-margin-top: 88px;
}

.page-products .pro-sec__head {
  max-width: 66ch;
}

.page-products .pro-sec__head .section__title {
  margin: 8px 0 0;
}

/* ---------- 开服时间编排 ---------- */
.page-products .pro-ops {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-products .pro-ops__main {
  display: grid;
  gap: 20px;
  min-width: 0;
}

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

.page-products .pro-timeline__node {
  position: relative;
  padding: 20px 18px 18px;
  background: linear-gradient(162deg, rgba(31, 224, 208, .10), rgba(22, 28, 60, .88) 58%);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-products .pro-timeline__dot {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan-neon);
  box-shadow: 0 0 0 4px rgba(31, 224, 208, .14);
  animation: pro-breathe 3s var(--ease) infinite;
}

@keyframes pro-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: .88; }
}

.page-products .pro-timeline__sid {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-neon);
  background: rgba(31, 224, 208, .10);
  box-shadow: inset 0 0 0 1px rgba(31, 224, 208, .28);
}

.page-products .pro-timeline__title {
  margin: 14px 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-high);
}

.page-products .pro-timeline__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-mid);
}

.page-products .media-frame {
  margin: 0;
}

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

.page-products .pro-ops__side {
  padding: 20px 18px;
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(18px 0, 100% 0, 100% 100%, 0 100%, 0 18px);
}

.page-products .pro-ops__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--violet-soft);
}

.page-products .pro-ops__list {
  display: grid;
  gap: 14px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-products .pro-ops__item {
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-mid);
  border-left: 2px solid var(--violet-core);
}

.page-products .pro-ops__item strong {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-high);
}

/* ---------- 苹果客户端 ---------- */
.page-products .pro-ios {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .pro-ios__steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pro-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px 18px 16px;
  background: linear-gradient(100deg, rgba(122, 59, 255, .16), rgba(22, 28, 60, .9) 44%);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .pro-step__index {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--violet-soft);
}

.page-products .pro-step__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  color: var(--text-high);
}

.page-products .pro-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--text-mid);
}

.page-products .pro-ios__aside {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-products .pro-ios__spec {
  padding: 22px 20px 20px;
}

.page-products .pro-spec {
  margin: 14px 0 18px;
}

.page-products .pro-spec__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pro-spec__row:last-of-type {
  border-bottom: 0;
}

.page-products .pro-spec dt {
  font-size: 13.5px;
  color: var(--text-low);
}

.page-products .pro-spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-high);
  text-align: right;
}

/* ---------- 配置四档 ---------- */
.page-products .pro-tiers {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-products .pro-tier {
  position: relative;
  padding: 24px 18px 20px;
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: transform var(--dur) var(--ease);
}

.page-products .pro-tier::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--tier-bar, var(--violet-core));
}

.page-products .pro-tier--entry {
  --tier-bar: rgba(122, 59, 255, .40);
  background: linear-gradient(180deg, rgba(122, 59, 255, .07), var(--bg-panel) 62%);
}

.page-products .pro-tier--standard {
  --tier-bar: rgba(122, 59, 255, .65);
  background: linear-gradient(180deg, rgba(122, 59, 255, .11), var(--bg-panel) 62%);
}

.page-products .pro-tier--recommend {
  --tier-bar: var(--violet-core);
  background: linear-gradient(180deg, rgba(122, 59, 255, .18), var(--bg-panel) 62%);
}

.page-products .pro-tier--forward {
  --tier-bar: linear-gradient(90deg, var(--violet-core), var(--cyan-neon));
  background: linear-gradient(165deg, rgba(31, 224, 208, .14), rgba(22, 28, 60, .95) 58%);
}

.page-products .pro-tier__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-low);
}

.page-products .pro-tier__name {
  margin: 10px 0 6px;
  font-size: 22px;
  font-weight: 900;
  color: var(--text-high);
}

.page-products .pro-tier__range {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-neon);
}

.page-products .pro-tier__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-mid);
}

.page-products .pro-tier__panel {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-products .pro-tier__tips {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pro-tier__tip {
  margin: 0;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-mid);
  border-left: 2px solid var(--cyan-neon);
}

.page-products .pro-tier__tip strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text-high);
}

/* ---------- 礼包码 ---------- */
.page-products .pro-gift {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

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

.page-products .pro-gift__item {
  padding: 18px 18px 16px;
  background: linear-gradient(170deg, rgba(255, 162, 58, .09), rgba(22, 28, 60, .92) 46%);
  box-shadow: inset 0 0 0 1px rgba(255, 162, 58, .22);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .pro-gift__title {
  margin: 12px 0 6px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-high);
}

.page-products .pro-gift__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-mid);
}

.page-products .pro-gift__steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px 18px 18px 16px;
  list-style: none;
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--line-soft);
}

.page-products .pro-gift__step {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-mid);
}

.page-products .pro-gift__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber-warm);
}

/* ---------- 版本号索引 ---------- */
.page-products .pro-railv {
  display: flex;
  gap: 0;
  margin: 28px 0 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pro-railv__item {
  position: relative;
  flex: 1 0 200px;
  padding: 22px 18px 16px;
  border-top: 2px solid var(--line-soft);
  scroll-snap-align: start;
}

.page-products .pro-railv__item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 18px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--violet-core);
}

.page-products .pro-railv__item:last-child::before {
  background: var(--cyan-neon);
  box-shadow: 0 0 0 4px rgba(31, 224, 208, .16);
}

.page-products .pro-railv__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--text-high);
}

.page-products .pro-railv__meta {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--violet-soft);
}

.page-products .pro-railv__desc {
  margin: 10px 0 0;
  padding-right: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-mid);
}

.page-products .pro-railv__foot {
  display: grid;
  gap: 14px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pro-railv__note {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mid);
}

.page-products .pro-railv__media {
  margin-top: 24px;
}

.page-products .pro-railv__foot .btn {
  justify-self: start;
}

/* ---------- 下载前三件事 ---------- */
.page-products .pro-before {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-products .pro-before__item {
  padding: 22px 18px 20px;
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-products .pro-before__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--violet-soft);
}

.page-products .pro-before__title {
  margin: 14px 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-high);
}

.page-products .pro-before__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--text-mid);
}

.page-products .pro-next {
  display: grid;
  gap: 16px;
  margin-top: 26px;
  padding: 22px 20px;
  background: linear-gradient(112deg, rgba(122, 59, 255, .18), rgba(31, 224, 208, .07) 62%, rgba(22, 28, 60, .6));
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(20px 0, 100% 0, 100% 100%, 0 100%, 0 20px);
}

.page-products .pro-next__text {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-high);
}

.page-products .pro-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pro-next__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-mid);
  background: rgba(14, 18, 41, .55);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  transition: color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pro-next__link:hover {
  color: var(--text-high);
  box-shadow: inset 0 0 0 1px var(--cyan-neon);
}

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

  .page-products .pro-gift {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products .pro-gift__steps {
    align-content: start;
  }

  .page-products .pro-gift__media {
    grid-column: 1 / -1;
  }

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

  .page-products .pro-railv__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
  }

  .page-products .pro-railv__foot .btn {
    justify-self: end;
  }
}

@media (min-width: 820px) {
  .page-products .pro-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

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

@media (min-width: 940px) {
  .page-products .pro-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(290px, 5fr);
    gap: clamp(26px, 4vw, 56px);
    align-items: end;
  }

  .page-products .pro-ios {
    grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
    gap: 26px;
    align-items: start;
  }

  .page-products .pro-tier__panel {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 24px;
  }
}

@media (min-width: 1000px) {
  .page-products .pro-ops {
    grid-template-columns: minmax(0, 1fr) 306px;
    gap: 22px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .pro-tiers {
    grid-template-columns: .85fr 1fr 1.15fr 1.3fr;
    gap: 12px;
  }

  .page-products .pro-gift {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pro-gift__media {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pro-timeline__dot {
    animation: none;
  }

  .page-products .pro-tier,
  .page-products .pro-rail__link,
  .page-products .pro-next__link {
    transition: none;
  }
}