.page-products {
  --pd-line: var(--c-line);
  --pd-gap: clamp(20px, 3vw, 36px);
  position: relative;
  overflow-x: hidden;
  padding-bottom: clamp(40px, 7vw, 88px);
  background:
    radial-gradient(880px 440px at 88% 4%, rgba(70, 229, 255, 0.10), transparent 62%),
    radial-gradient(700px 420px at 2% 20%, rgba(124, 92, 255, 0.12), transparent 66%);
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(192, 204, 232, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(192, 204, 232, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  z-index: 0;
}

.page-products > * {
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-products .sg-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-dust);
}

.page-products .sg-breadcrumb__item {
  color: var(--c-dust);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-products a.sg-breadcrumb__item:hover,
.page-products a.sg-breadcrumb__item:focus-visible {
  color: var(--c-electric);
}

.page-products .sg-breadcrumb__sep {
  color: rgba(192, 204, 232, 0.4);
}

/* ---------- 首屏 ---------- */
.pd-hero {
  padding-top: clamp(20px, 3.4vw, 40px);
}

.pd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.pd-hero__title {
  margin: 14px 0 0;
  font-family: var(--f-display);
  font-size: clamp(30px, 6.4vw, 54px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: var(--c-star);
  text-shadow: 0 0 34px rgba(124, 92, 255, 0.28);
}

.pd-hero__lead {
  margin-top: 18px;
}

.pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.pd-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--pd-line);
}

.pd-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pd-fact__num {
  font-family: var(--f-display);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--c-electric);
}

.pd-fact__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-dust);
}

/* 轨道环视觉 */
.pd-orbit {
  position: relative;
  width: min(100%, 420px);
  margin: 0 auto;
  aspect-ratio: 1 / 1;
}

.pd-orbit__svg {
  display: block;
  width: 100%;
  height: 100%;
}

.pd-orbit__ring {
  fill: none;
  stroke: var(--c-line-strong);
  stroke-width: 1;
}

.pd-orbit__ring--dash {
  stroke-dasharray: 3 7;
  stroke: rgba(192, 204, 232, 0.28);
}

.pd-orbit__ring--core {
  stroke: var(--c-electric);
  stroke-width: 1.4;
  opacity: 0.7;
}

.pd-orbit__axis {
  stroke: rgba(192, 204, 232, 0.16);
  stroke-width: 1;
  stroke-dasharray: 2 8;
}

.pd-orbit::after {
  content: "";
  position: absolute;
  inset: 33%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(70, 229, 255, 0.34), transparent 72%);
  pointer-events: none;
  animation: pd-breathe 5.5s ease-in-out infinite;
}

@keyframes pd-breathe {
  0%, 100% { opacity: 0.42; transform: scale(0.92); }
  50% { opacity: 0.9; transform: scale(1.06); }
}

.pd-orbit__node {
  position: absolute;
  transform: translate(-50%, -50%);
  padding: 5px 10px;
  font-family: var(--f-display);
  font-size: 12px;
  letter-spacing: 0.1em;
  white-space: nowrap;
  color: var(--c-star);
  background: rgba(10, 15, 30, 0.88);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
}

.pd-orbit__node--a { left: 50%; top: 6%; border-color: rgba(70, 229, 255, 0.6); color: var(--c-electric); }
.pd-orbit__node--b { left: 86%; top: 30%; }
.pd-orbit__node--c { left: 86%; top: 70%; }
.pd-orbit__node--d { left: 50%; top: 94%; }
.pd-orbit__node--e { left: 14%; top: 70%; }
.pd-orbit__node--f { left: 14%; top: 30%; border-color: rgba(255, 198, 92, 0.55); color: var(--c-amber); }

/* ---------- 通用区块头 ---------- */
.pd-sechead {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.pd-sechead .sg-lead {
  margin-top: 12px;
}

/* ---------- 版本更新 ---------- */
.pd-updates__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
}

.pd-update {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
}

.pd-update__idx {
  align-self: flex-start;
  padding: 2px 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-amber);
  border: 1px solid rgba(255, 198, 92, 0.42);
  border-radius: var(--r-sm);
}

.pd-update__title {
  margin: 0;
  font-family: var(--f-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--c-star);
}

.pd-update p {
  margin: 0;
  color: var(--c-dust);
  line-height: 1.75;
}

.pd-timeline-media {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.pd-timeline-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

.pd-milestones {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: pd-mile;
}

.pd-milestones li {
  position: relative;
  padding: 14px 16px 14px 20px;
  border-left: 2px solid var(--c-nebula);
  background: var(--c-glass-soft);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.pd-milestones__ver {
  display: block;
  font-family: var(--f-display);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--c-electric);
}

.pd-milestones__text {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-dust);
}

.pd-updates__more {
  margin-top: clamp(20px, 3vw, 28px);
  font-size: 15px;
  color: var(--c-dust);
}

.pd-updates__more a {
  color: var(--c-electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(70, 229, 255, 0.4);
}

.pd-updates__more a:hover,
.pd-updates__more a:focus-visible {
  color: var(--c-amber);
  border-bottom-color: rgba(255, 198, 92, 0.5);
}

/* ---------- 平板端订阅 ---------- */
.pd-tablet__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.pd-tablet__media {
  margin: 0;
}

.pd-tablet__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

.pd-tablet__copy p {
  margin-top: 14px;
  color: var(--c-dust);
  line-height: 1.78;
}

/* ---------- 清单 ---------- */
.pd-checklist {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.pd-checklist li {
  position: relative;
  padding-left: 26px;
  color: var(--c-dust);
  line-height: 1.72;
}

.pd-checklist li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border: 1px solid var(--c-electric);
  transform: rotate(45deg);
}

.pd-tablet__copy .sg-btn,
.pd-sync__copy .sg-btn {
  margin-top: 24px;
}

/* ---------- 六大分类 ---------- */
.pd-tabs .sg-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--pd-line);
}

.pd-tabs .sg-tabs__tab {
  padding: 9px 15px;
  font-family: var(--f-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-dust);
  background: rgba(16, 26, 51, 0.42);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.pd-tabs .sg-tabs__tab:hover,
.pd-tabs .sg-tabs__tab:focus-visible {
  color: var(--c-star);
  border-color: rgba(70, 229, 255, 0.44);
}

.pd-tabs .sg-tabs__tab[aria-selected="true"] {
  color: #04121A;
  background: var(--c-electric);
  border-color: var(--c-electric);
}

.pd-tabs .sg-tabs__panel {
  padding-top: 24px;
}

.pd-tabs .sg-tabs__panel[hidden] {
  display: none;
}

.pd-cat {
  max-width: 78ch;
}

.pd-cat__title {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-star);
}

.pd-cat__desc {
  margin: 12px 0 0;
  color: var(--c-dust);
  line-height: 1.78;
}

.pd-cat__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.pd-cat__list li {
  padding: 10px 14px;
  font-size: 14px;
  color: var(--c-star);
  background: var(--c-glass-soft);
  border: 1px solid var(--pd-line);
  border-radius: var(--r-sm);
}

.pd-cats__media {
  max-width: 320px;
  margin: clamp(28px, 4vw, 44px) auto 0;
}

.pd-cats__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

/* ---------- 收藏与同步 ---------- */
.pd-sync__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.pd-sync__media {
  margin: 0;
}

.pd-sync__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

.pd-sync__subtitle {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-star);
}

.pd-sync__copy p {
  margin-top: 12px;
  color: var(--c-dust);
  line-height: 1.78;
}

.pd-star {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 11px 18px;
  font-family: var(--f-body);
  font-size: 14px;
  color: var(--c-star);
  background: rgba(16, 26, 51, 0.6);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.pd-star__glyph {
  font-size: 16px;
  line-height: 1;
  color: rgba(192, 204, 232, 0.6);
  transition: color var(--dur) var(--ease);
}

.pd-star[aria-pressed="true"] {
  color: var(--c-amber);
  border-color: rgba(255, 198, 92, 0.6);
  background: rgba(255, 198, 92, 0.1);
}

.pd-star[aria-pressed="true"] .pd-star__glyph {
  color: var(--c-amber);
}

/* ---------- 订阅周期 ---------- */
.pd-plan__tabs {
  max-width: 820px;
}

.pd-plan__tabs .sg-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--pd-line);
}

.pd-plan__tabs .sg-tabs__tab {
  padding: 9px 16px;
  font-family: var(--f-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-dust);
  background: rgba(16, 26, 51, 0.42);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.pd-plan__tabs .sg-tabs__tab:hover,
.pd-plan__tabs .sg-tabs__tab:focus-visible {
  color: var(--c-star);
  border-color: rgba(255, 198, 92, 0.5);
}

.pd-plan__tabs .sg-tabs__tab[aria-selected="true"] {
  color: #1B1204;
  background: var(--c-amber);
  border-color: var(--c-amber);
}

.pd-plan__tabs .sg-tabs__panel {
  padding-top: 24px;
}

.pd-plan__tabs .sg-tabs__panel[hidden] {
  display: none;
}

.pd-plan__body {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--c-glass);
  border: 1px solid var(--pd-line);
  border-left: 3px solid var(--c-nebula);
  border-radius: var(--r-md);
}

.pd-plan__cycle {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(18px, 2.6vw, 22px);
  letter-spacing: 0.05em;
  color: var(--c-electric);
}

.pd-plan__list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.pd-plan__list li {
  position: relative;
  padding-left: 22px;
  color: var(--c-dust);
  line-height: 1.72;
}

.pd-plan__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: rgba(255, 198, 92, 0.75);
}

.pd-plan__hint {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-dust);
  border: 1px dashed rgba(70, 229, 255, 0.36);
  border-radius: var(--r-md);
}

/* ---------- 上手路径 ---------- */
.pd-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.pd-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pd-step;
}

.pd-steps li {
  position: relative;
  padding: 16px 18px 16px 62px;
  color: var(--c-dust);
  line-height: 1.75;
  background: var(--c-glass-soft);
  border: 1px solid var(--pd-line);
  border-radius: var(--r-md);
  counter-increment: pd-step;
}

.pd-steps li::before {
  content: "0" counter(pd-step);
  position: absolute;
  left: 18px;
  top: 16px;
  font-family: var(--f-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--c-electric);
}

.pd-flow__media {
  margin: 0;
}

.pd-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

/* ---------- 结尾 CTA ---------- */
.pd-cta {
  padding-bottom: clamp(8px, 2vw, 24px);
}

.pd-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
  padding: clamp(24px, 3.4vw, 40px);
  background:
    linear-gradient(120deg, rgba(124, 92, 255, 0.16), transparent 62%),
    var(--c-glass);
  border: 1px solid var(--pd-line);
  border-radius: var(--r-lg);
}

.pd-cta__copy p {
  margin-top: 12px;
  color: var(--c-dust);
  line-height: 1.78;
}

.pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .pd-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .pd-updates__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pd-cat__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pd-milestones {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pd-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 960px) {
  .pd-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .pd-tablet__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .pd-sync__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .pd-flow__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .pd-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .pd-plan__body {
    display: grid;
    grid-template-columns: minmax(0, 0.38fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .pd-plan__list {
    margin-top: 0;
  }
}

/* ---------- 无脚本 / 降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .pd-orbit::after {
    animation: none;
    opacity: 0.62;
  }

  .page-products .sg-tabs__tab,
  .pd-star,
  .page-products .sg-breadcrumb__item {
    transition: none;
  }
}