.page-products {
  --pd-section-gap: clamp(56px, 8vw, 112px);
  --pd-card-gap: clamp(14px, 2vw, 22px);
}

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

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding-top: calc(var(--qf-header-h) + clamp(24px, 4vw, 48px));
  padding-bottom: clamp(48px, 7vw, 96px);
  background:
    radial-gradient(120% 88% at 90% 0%, rgba(14, 124, 155, 0.18) 0%, rgba(14, 124, 155, 0) 60%),
    linear-gradient(180deg, var(--qf-mist) 0%, var(--qf-snow) 74%);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  margin-top: clamp(24px, 4vw, 44px);
}

@media (min-width: 1024px) {
  .page-products .pd-hero__grid {
    grid-template-columns: 11fr 9fr;
    align-items: start;
  }
}

.page-products .pd-hero__actions {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .pd-hero__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--qf-stone);
}

/* 版本卡 */
.page-products .pd-version-card {
  position: relative;
  padding: clamp(24px, 3vw, 36px);
  border-radius: 40px;
  background: linear-gradient(158deg, #DCEEF4 0%, #EDF6FA 62%, #FBFDFE 100%);
  box-shadow: var(--qf-shadow-1);
  overflow: hidden;
}

.page-products .pd-version-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pd-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--qf-radius-pill);
  background: rgba(251, 253, 254, 0.86);
  color: var(--qf-lake-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .pd-copy {
  padding: 7px 16px;
  border: 1px solid var(--qf-lake);
  border-radius: var(--qf-radius-pill);
  background: transparent;
  color: var(--qf-lake-deep);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.24s ease, color 0.24s ease, border-color 0.24s ease;
}

.page-products .pd-copy:hover,
.page-products .pd-copy:focus-visible {
  background: var(--qf-lake);
  color: var(--qf-snow);
  border-color: var(--qf-lake);
}

.page-products .pd-copy[data-copied="true"] {
  background: var(--qf-prayer);
  border-color: var(--qf-prayer);
  color: var(--qf-ink);
}

.page-products .pd-version-card__num {
  margin: clamp(16px, 2.5vw, 26px) 0 0;
  font-size: clamp(56px, 10vw, 96px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--qf-lake-deep);
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-products .pd-version-card__num {
    color: transparent;
    -webkit-text-stroke: 2px var(--qf-lake-deep);
  }
}

.page-products .pd-version-card__sub {
  margin: 12px 0 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--qf-lake-deep);
}

.page-products .pd-version-card__facts {
  margin: clamp(20px, 3vw, 28px) 0 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(14, 124, 155, 0.18);
}

.page-products .pd-fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pd-fact dt {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--qf-stone);
}

.page-products .pd-fact dd {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--qf-ink);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-version-card__media {
  margin-top: clamp(20px, 3vw, 28px);
  border-radius: 24px;
}

/* ---------- 通用区块头 ---------- */
.page-products .pd-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 3vw, 36px);
  align-items: start;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-products .pd-head .qf-lede {
  margin-top: 14px;
}

/* ---------- 版本能力 ---------- */
.page-products .pd-perf__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

@media (min-width: 1024px) {
  .page-products .pd-perf__grid {
    grid-template-columns: 6fr 5fr;
    align-items: start;
  }
}

.page-products .pd-perf__text p {
  margin-top: 0;
  margin-bottom: 18px;
}

.page-products .pd-perf__text p:last-child {
  margin-bottom: 0;
}

.page-products .pd-chart {
  margin: 0;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--qf-radius-lg);
  background: var(--qf-mist);
}

.page-products .pd-chart__cap {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--qf-lake-deep);
  text-transform: uppercase;
}

.page-products .pd-chart__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "label val"
    "track track";
  gap: 8px 12px;
  align-items: center;
}

@media (min-width: 560px) {
  .page-products .pd-bar {
    grid-template-columns: 96px 1fr 52px;
    grid-template-areas: "label track val";
  }
}

.page-products .pd-bar__label {
  grid-area: label;
  font-size: 14px;
  font-weight: 600;
  color: var(--qf-lake-deep);
}

.page-products .pd-bar__track {
  grid-area: track;
  display: block;
  height: 18px;
  border-radius: var(--qf-radius-pill);
  background: rgba(251, 253, 254, 0.9);
  overflow: hidden;
}

.page-products .pd-bar__fill {
  display: block;
  height: 100%;
  border-radius: var(--qf-radius-pill);
}

.page-products .pd-bar__fill--base {
  width: 100%;
  background: rgba(110, 121, 126, 0.42);
}

.page-products .pd-bar__fill--new {
  width: 65%;
  background: linear-gradient(90deg, var(--qf-lake-deep), var(--qf-lake), var(--qf-lake-light));
}

.page-products .pd-bar__val {
  grid-area: val;
  font-size: 15px;
  font-weight: 800;
  color: var(--qf-ink);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-products .pd-chart__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--qf-stone);
}

/* ---------- 12 类分类 ---------- */
.page-products .pd-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-card-gap);
}

@media (min-width: 560px) {
  .page-products .pd-cats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products .pd-cats {
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(16px, 1.8vw, 24px);
  }

  .page-products .pd-cat:nth-child(4n + 2) {
    margin-top: 38px;
  }

  .page-products .pd-cat:nth-child(4n + 4) {
    margin-top: 18px;
  }
}

.page-products .pd-cat {
  display: block;
  padding: clamp(18px, 2vw, 24px);
  border-radius: var(--qf-radius-md);
  background: var(--qf-snow);
  color: inherit;
  text-decoration: none;
  transition: transform 0.24s ease, box-shadow 0.24s ease, background-color 0.24s ease;
}

.page-products .pd-cat:hover,
.page-products .pd-cat:focus-visible {
  transform: translateY(-6px);
  background: #FFFFFF;
  box-shadow: var(--qf-shadow-2);
}

.page-products .pd-cat__no {
  display: block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--qf-lake);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-cat .qf-h3 {
  margin: 10px 0 8px;
}

.page-products .pd-cat p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--qf-stone);
}

.page-products .pd-cats__map {
  margin-top: clamp(36px, 5vw, 64px);
  border-radius: var(--qf-radius-lg);
}

.page-products .pd-cats__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--qf-prayer);
  font-size: 15px;
  line-height: 1.75;
  color: var(--qf-ink);
}

/* ---------- 第二栏与收藏 ---------- */
.page-products .pd-lane__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

@media (min-width: 1024px) {
  .page-products .pd-lane__grid {
    grid-template-columns: 5fr 6fr;
    align-items: start;
  }
}

.page-products .pd-lane__intro .qf-h2 {
  margin-top: 12px;
}

.page-products .pd-lane__intro .qf-prose {
  margin-top: 18px;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--pd-card-gap);
  counter-reset: pd-step;
}

.page-products .pd-step {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px) clamp(72px, 7vw, 92px);
  border-radius: var(--qf-radius-md);
  background: var(--qf-mist);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.page-products .pd-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--qf-shadow-1);
}

.page-products .pd-step__no {
  position: absolute;
  top: clamp(16px, 2vw, 22px);
  left: clamp(18px, 2vw, 26px);
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.6px var(--qf-lake);
  font-variant-numeric: tabular-nums;
}

@supports not (-webkit-text-stroke: 1px #000) {
  .page-products .pd-step__no {
    color: var(--qf-lake);
  }
}

.page-products .pd-step .qf-h3 {
  margin: 0 0 8px;
}

.page-products .pd-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--qf-stone);
}

.page-products .pd-lane__shot {
  margin: clamp(36px, 5vw, 60px) 0 0;
  border-radius: var(--qf-radius-lg);
}

.page-products .pd-lane__stat {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(24px, 3vw, 36px);
  border-radius: var(--qf-radius-lg);
  background: linear-gradient(120deg, var(--qf-lake-deep) 0%, var(--qf-lake) 100%);
  color: var(--qf-snow);
}

.page-products .pd-lane__stat-num {
  margin: 0;
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--qf-snow);
}

.page-products .pd-lane__arrow {
  display: inline-block;
  margin: 0 0.24em;
  color: var(--qf-prayer);
}

.page-products .pd-lane__stat-cap {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(251, 253, 254, 0.86);
  max-width: 60ch;
}

/* ---------- 适用场景 ---------- */
.page-products .pd-scenes__grid {
  display: grid;
  gap: clamp(32px, 4.5vw, 64px);
}

@media (min-width: 1024px) {
  .page-products .pd-scenes__grid {
    grid-template-columns: 7fr 4fr;
    align-items: start;
  }
}

.page-products .pd-scene-list {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pd-scene-list li {
  padding: 22px 0;
  border-bottom: 1px solid rgba(14, 124, 155, 0.16);
}

.page-products .pd-scene-list li:first-child {
  border-top: 1px solid rgba(14, 124, 155, 0.16);
}

.page-products .pd-scene-list .qf-h3 {
  margin: 0 0 8px;
}

.page-products .pd-scene-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--qf-stone);
}

.page-products .pd-scenes__media {
  align-self: stretch;
}

.page-products .pd-tall-shot {
  width: 100%;
  border-radius: var(--qf-radius-lg);
  object-fit: cover;
}

@media (min-width: 1024px) {
  .page-products .pd-tall-shot {
    position: sticky;
    top: calc(var(--qf-header-h) + 28px);
    max-height: 640px;
  }
}

/* ---------- 版本节奏 ---------- */
.page-products .pd-history__map {
  margin-bottom: clamp(32px, 4vw, 52px);
  border-radius: var(--qf-radius-lg);
}

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

.page-products .pd-tl__item {
  border-radius: var(--qf-radius-md);
  background: var(--qf-mist);
  overflow: hidden;
  transition: background-color 0.24s ease;
}

.page-products .pd-tl__item[open] {
  background: #E9F4F8;
}

.page-products .pd-tl__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: clamp(16px, 2vw, 22px) clamp(18px, 2.4vw, 28px);
  cursor: pointer;
  list-style: none;
}

.page-products .pd-tl__summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-tl__summary::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-left: auto;
  border-right: 2px solid var(--qf-lake);
  border-bottom: 2px solid var(--qf-lake);
  transform: rotate(45deg);
  transition: transform 0.24s ease;
}

.page-products .pd-tl__item[open] .pd-tl__summary::after {
  transform: rotate(-135deg);
}

.page-products .pd-tl__ver {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--qf-lake-deep);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-tl__tag {
  padding: 4px 12px;
  border-radius: var(--qf-radius-pill);
  background: var(--qf-snow);
  font-size: 12px;
  font-weight: 700;
  color: var(--qf-stone);
}

.page-products .pd-tl__tag--sunset {
  background: var(--qf-sunset);
  color: var(--qf-snow);
}

.page-products .pd-tl__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--qf-ink);
}

.page-products .pd-tl__body {
  padding: 0 clamp(18px, 2.4vw, 28px) clamp(18px, 2.4vw, 24px);
}

.page-products .pd-tl__body p {
  margin: 0;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--qf-stone);
}

.page-products .pd-history__note {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--qf-sunset);
  font-size: 15px;
  line-height: 1.78;
  color: var(--qf-ink);
  max-width: 70ch;
}

/* ---------- 版本确认 ---------- */
.page-products .pd-verify__grid {
  display: grid;
  gap: var(--pd-card-gap);
}

@media (min-width: 768px) {
  .page-products .pd-verify__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products .pd-verify__grid {
    grid-template-columns: 4fr 4fr 5fr;
    align-items: start;
  }
}

.page-products .pd-verify__card {
  padding: clamp(22px, 2.8vw, 32px);
  border-radius: var(--qf-radius-lg);
  background: var(--qf-snow);
}

.page-products .pd-verify__card .qf-h3 {
  margin: 0 0 12px;
}

.page-products .pd-verify__card p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--qf-stone);
}

.page-products .pd-verify__card p:last-of-type {
  margin-bottom: 0;
}

.page-products .pd-verify__card--accent {
  background: var(--qf-prayer-soft);
}

.page-products .pd-verify__card--accent p {
  color: var(--qf-ink);
}

.page-products .pd-verify__contact {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-verify__contact li {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--qf-lake-deep);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.page-products .pd-verify__card--accent .qf-actions {
  margin-top: 22px;
}

/* ---------- 结尾动作 ---------- */
.page-products .pd-cta {
  padding-block: clamp(48px, 7vw, 88px);
}

.page-products .pd-cta__inner {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  align-items: center;
}

@media (min-width: 1024px) {
  .page-products .pd-cta__inner {
    grid-template-columns: 7fr 5fr;
  }
}

.page-products .pd-cta__inner .qf-h2 {
  margin: 0;
  color: var(--qf-snow);
}

.page-products .pd-cta__text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(251, 253, 254, 0.88);
}

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

@media (min-width: 1024px) {
  .page-products .pd-cta__actions {
    justify-content: flex-end;
  }
}

/* ---------- 动效与可访问性 ---------- */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.32s ease, transform 0.32s ease;
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.page-products a:focus-visible,
.page-products button:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--qf-sunset);
  outline-offset: 3px;
  border-radius: var(--qf-radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: opacity 0.2s ease;
  }

  .page-products .pd-cat,
  .page-products .pd-step,
  .page-products .pd-tl__summary::after {
    transition: none;
  }

  .page-products .pd-cat:hover,
  .page-products .pd-cat:focus-visible,
  .page-products .pd-step:hover {
    transform: none;
  }
}