.page-products {
  --pd-pad: clamp(20px, 3vw, 36px);
  --pd-gap-lg: clamp(28px, 4.5vw, 64px);
  --pd-gap-md: clamp(18px, 2.6vw, 32px);
}

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

.page-products [id] {
  scroll-margin-top: 140px;
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(30px, 6vw, 88px) 0 clamp(28px, 5vw, 64px);
  overflow: hidden;
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -20%;
  width: min(760px, 80vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 42% 42%, rgba(63, 224, 208, 0.16), rgba(63, 224, 208, 0) 62%);
  z-index: -1;
  pointer-events: none;
}

.page-products .pd-hero__title {
  margin: 14px 0 22px;
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.page-products .pd-hero__lead {
  max-width: 60ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .pd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  color: var(--text-dim);
}

.page-products .pd-hero__meta li {
  position: relative;
  padding-left: 17px;
}

.page-products .pd-hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 六大板块：左索引 + 右预览 ---------- */

.page-products .pd-board {
  display: grid;
  gap: var(--pd-gap-md);
  margin-top: clamp(22px, 3vw, 44px);
}

.page-products .pd-board__index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-board__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-dim);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .pd-board__tab .pd-board__num {
  font-size: 11px;
  color: var(--rock);
}

.page-products .pd-board__tab:hover,
.page-products .pd-board__tab:focus-visible {
  color: var(--cream);
  border-color: var(--cyan);
  background: rgba(63, 224, 208, 0.07);
}

.page-products .pd-board__panels {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-products .pd-board__panel {
  position: relative;
  padding: var(--pd-pad);
  border-radius: var(--radius-m);
  border-left: 2px solid var(--pd-accent, var(--cyan));
  background: linear-gradient(158deg, rgba(19, 41, 74, 0.86), rgba(10, 26, 47, 0.5));
  overflow: hidden;
}

.page-products .pd-board__panel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--pd-accent, var(--cyan)), transparent 72%);
  opacity: 0.55;
}

.page-products .pd-board__panel--cyan { --pd-accent: var(--cyan); }
.page-products .pd-board__panel--orange { --pd-accent: var(--orange); }
.page-products .pd-board__panel--moss { --pd-accent: var(--moss); }
.page-products .pd-board__panel--magenta { --pd-accent: var(--magenta); }
.page-products .pd-board__panel--clay { --pd-accent: var(--clay); }

.page-products .pd-board__kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pd-accent, var(--cyan));
}

.page-products .pd-board__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 500;
  line-height: 1.35;
  color: var(--cream);
}

.page-products .pd-board__text {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .pd-board__link {
  display: inline-block;
  color: var(--cyan);
  font-size: 15px;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(63, 224, 208, 0.35);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .pd-board__link:hover,
.page-products .pd-board__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 左右分栏（下载 / 礼包 / 资料库） ---------- */

.page-products .pd-pair {
  display: grid;
  gap: var(--pd-gap-lg);
  align-items: center;
}

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

.page-products .pd-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-list li {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .pd-list__key {
  display: inline-block;
  min-width: 58px;
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ---------- 设备适配 ---------- */

.page-products .pd-devices__shot {
  margin: 0 0 clamp(24px, 3vw, 40px);
}

.page-products .pd-specs {
  display: grid;
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .pd-spec {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-2);
}

.page-products .pd-spec__bar {
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 16px;
  border-radius: 2px;
  background: var(--pd-accent, var(--cyan));
}

.page-products .pd-spec--cyan { --pd-accent: var(--cyan); }
.page-products .pd-spec--moss { --pd-accent: var(--moss); }
.page-products .pd-spec--orange { --pd-accent: var(--orange); }
.page-products .pd-spec--clay { --pd-accent: var(--clay); }

.page-products .pd-spec__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
  color: var(--cream);
}

.page-products .pd-spec__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .pd-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
  margin-top: clamp(20px, 3vw, 32px);
  padding: 18px 22px;
  border: 1px solid rgba(255, 77, 141, 0.32);
  border-radius: var(--radius-m);
  background: rgba(255, 77, 141, 0.06);
}

.page-products .pd-note__badge {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--magenta);
}

.page-products .pd-note p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 更新节奏 ---------- */

.page-products .pd-rhythm {
  display: grid;
  gap: 4px;
  margin-top: 26px;
}

.page-products .pd-rhythm__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-rhythm__item p {
  flex: 1 1 220px;
  margin: 0;
  font-size: 15px;
  line-height: 1.68;
  color: var(--text-dim);
}

/* ---------- 上手四步 ---------- */

.page-products .pd-path {
  display: grid;
  gap: var(--pd-gap-lg);
  margin-top: clamp(22px, 3vw, 42px);
}

.page-products .pd-steps {
  counter-reset: pdstep;
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-steps__item {
  position: relative;
  counter-increment: pdstep;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-steps__item::before {
  content: counter(pdstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 3px;
}

.page-products .pd-steps__title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 500;
  color: var(--cream);
}

.page-products .pd-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-dim);
}

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

/* ---------- 收束 CTA ---------- */

.page-products .pd-cta {
  display: grid;
  gap: 22px;
  align-items: center;
  padding: clamp(24px, 3.4vw, 44px);
}

.page-products .pd-cta__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  color: var(--cream);
}

.page-products .pd-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 720px) {
  .page-products .pd-specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pd-board {
    grid-template-columns: minmax(196px, 236px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-products .pd-board__index {
    position: sticky;
    top: 132px;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pd-board__tab {
    justify-content: flex-start;
    padding: 14px 2px;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: none;
    font-size: 15px;
  }

  .page-products .pd-board__tab:hover,
  .page-products .pd-board__tab:focus-visible {
    background: none;
    color: var(--cream);
    border-bottom-color: var(--cyan);
  }

  .page-products .pd-pair {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-products .pd-pair--flip > .pd-pair__media {
    order: -1;
  }

  .page-products .pd-path {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

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

@media (min-width: 860px) {
  .page-products .pd-cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (max-width: 599px) {
  .page-products .pd-hero__meta {
    gap: 8px 18px;
  }

  .page-products .pd-note {
    padding: 16px 18px;
  }
}
</main>