/* ===== 数据产品页 · 作用域限定 ===== */
.page-products {
  --pd-pad: clamp(18px, 2.6vw, 28px);
  --pd-shift: 26px;
  padding-bottom: clamp(60px, 9vw, 120px);
  overflow-x: clip;
}

.page-products .pd-top {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .pd-link {
  display: inline-block;
  color: var(--red);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 78, 43, .45);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pd-link:hover,
.page-products .pd-link:focus-visible {
  color: var(--red-soft);
  border-color: var(--red-soft);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero-sec {
  padding-top: clamp(14px, 2.4vw, 28px);
}

.page-products .pd-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 62px);
  align-items: start;
}

.page-products .pd-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.02;
  letter-spacing: -.02em;
  margin: 14px 0 0;
  color: var(--ink);
}

.page-products .pd-hero__lede {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--ink);
}

.page-products .pd-steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-products .pd-step {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 11px 0 11px 20px;
}

.page-products .pd-step::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 19px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line);
}

.page-products .pd-step:first-child::before {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 78, 43, .18);
}

.page-products .pd-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  flex: 0 0 auto;
}

.page-products .pd-step__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-products .pd-hero__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46ch;
}

.page-products .pd-hero__media {
  width: 100%;
  max-width: 380px;
  margin-inline: auto;
  border: 1px solid var(--line);
  background: var(--bg-2);
  box-shadow: 14px 14px 0 -1px rgba(34, 48, 71, .45);
}

.page-products .pd-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-products .pd-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(260px, .82fr);
  }
  .page-products .pd-hero__media {
    margin-inline: 0 0;
    margin-left: auto;
  }
}

/* ---------- 区块通用头 ---------- */
.page-products .pd-head {
  max-width: 68ch;
}

.page-products .pd-head .section__lede {
  margin-top: 14px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 数据中心 ---------- */
.page-products .pd-archive-media {
  margin-top: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line);
}

.page-products .pd-archive-media img,
.page-products .pd-upgrade__media img,
.page-products .pd-save__media img,
.page-products .pd-device__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-filter {
  position: sticky;
  top: calc(var(--bar-h) + 10px);
  z-index: 4;
  margin: clamp(24px, 3.4vw, 38px) 0 22px;
  padding: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.page-products .pd-rounds {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: clamp(14px, 2vw, 22px);
}

.page-products .pd-round {
  padding: var(--pd-pad);
  background: var(--bg-2);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-products .pd-round:hover,
.page-products .pd-round:focus-within {
  border-color: rgba(53, 242, 208, .45);
  transform: translateY(-3px);
}

.page-products .pd-round__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-products .pd-round__state {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .pd-round .card__title {
  margin: 12px 0 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pd-round .card__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
  flex: 1 1 auto;
}

.page-products .pd-chips {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pd-chips li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--ink);
  padding: 3px 8px;
  border: 1px solid var(--line);
  background: var(--glass);
}

.page-products .pd-round--note {
  background: var(--glass);
  border-style: dashed;
}

.page-products .pd-round--note .pd-link {
  margin-top: 14px;
  align-self: flex-start;
}

@media (min-width: 1024px) {
  .page-products .pd-rounds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pd-round:nth-child(even) {
    transform: translateY(var(--pd-shift));
  }
  .page-products .pd-round:nth-child(even):hover {
    transform: translateY(calc(var(--pd-shift) - 3px));
  }
  .page-products .pd-rounds {
    padding-bottom: var(--pd-shift);
  }
}

/* ---------- 升级版 ---------- */
.page-products .pd-upgrade__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-products .pd-upgrade__text .section__lede {
  margin-top: 14px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-fields {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-field {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-field__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink);
}

.page-products .pd-field__val {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .pd-field--new {
  box-shadow: inset 3px 0 0 var(--red);
  padding-left: 14px;
}

.page-products .pd-field--new .pd-field__val {
  color: var(--bg);
  background: var(--cyan);
  padding: 2px 8px;
}

.page-products .pd-upgrade__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 52ch;
}

.page-products .pd-upgrade__media {
  border: 1px solid var(--line);
  background: var(--bg-2);
}

@media (min-width: 940px) {
  .page-products .pd-upgrade__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }
}

/* ---------- 浏览器 ---------- */
.page-products .pd-stats {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pd-stat {
  background: var(--bg);
  padding: clamp(16px, 2.2vw, 26px);
}

.page-products .pd-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.6vw, 27px);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-products .pd-stat__label {
  display: block;
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pd-browser__notes {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .pd-browser__note {
  padding: var(--pd-pad);
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.page-products .pd-browser__note.card--glass {
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-products .pd-browser__note .card__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--red);
}

.page-products .pd-browser__note .card__title {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.4;
}

.page-products .pd-browser__note .card__text {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pd-browser__notes {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
}

/* ---------- 收藏与跨设备 ---------- */
.page-products .pd-save__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 50px);
  align-items: center;
}

.page-products .pd-save__text .section__lede {
  margin: 14px 0 24px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--muted);
  max-width: 52ch;
}

.page-products .pd-save__media {
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.page-products .pd-save__device {
  margin-top: clamp(30px, 4vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 30px);
  align-items: start;
}

.page-products .pd-device {
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(10px);
}

.page-products .pd-device > summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--ink);
}

.page-products .pd-device > summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-device > summary::before {
  content: "+";
  flex: 0 0 auto;
  font-size: 17px;
  line-height: 1;
  color: var(--red);
}

.page-products .pd-device[open] > summary::before {
  content: "−";
}

.page-products .pd-device__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

.page-products .pd-device__body p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-device__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-device__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-device__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  background: var(--cyan);
  border-radius: 50%;
}

.page-products .pd-device__media {
  border: 1px solid var(--line);
  background: var(--bg-2);
}

@media (min-width: 860px) {
  .page-products .pd-save__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .page-products .pd-save__device {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* ---------- 适用人群 ---------- */
.page-products .pd-fit__grid {
  margin-top: clamp(24px, 3.4vw, 38px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .pd-fit__card {
  padding: var(--pd-pad);
  background: var(--bg-2);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: border-color .25s var(--ease);
}

.page-products .pd-fit__card:hover {
  border-color: rgba(255, 78, 43, .5);
}

.page-products .pd-fit__card:nth-child(2) {
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-products .pd-fit__card .card__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .pd-fit__card .card__title {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pd-fit__card .card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  flex: 1 1 auto;
}

.page-products .pd-fit__ref {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--red-soft);
}

.page-products .pd-fit__cta {
  margin-top: clamp(26px, 3.6vw, 42px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.page-products .pd-fit__cta-text {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-products .pd-fit__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-products .pd-fit__card:nth-child(2) {
    transform: translateY(var(--pd-shift));
  }
  .page-products .pd-fit__grid {
    padding-bottom: var(--pd-shift);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-round,
  .page-products .pd-fit__card,
  .page-products .pd-link {
    transition: none;
  }
  .page-products .pd-round:hover,
  .page-products .pd-round:focus-within,
  .page-products .pd-fit__card:nth-child(2),
  .page-products .pd-round:nth-child(even) {
    transform: none;
  }
}