.page-products {
  --products-gold-line: rgba(212, 175, 55, 0.32);
  --products-deep-card: rgba(14, 40, 84, 0.72);
}

.page-products #download-entry,
.page-products #download-qr,
.page-products #version-history,
.page-products #support {
  scroll-margin-top: calc(var(--nav-h-mobile) + 80px);
}

.page-products .products-hero {
  position: relative;
  background: linear-gradient(160deg, rgba(14, 40, 84, 0.92) 0%, var(--c-deep) 70%);
  color: var(--c-white);
  padding: clamp(44px, 8vw, 80px) 0 clamp(56px, 8vw, 96px);
  overflow: hidden;
}

.page-products .products-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 6vw, 64px);
  align-items: center;
}

.page-products .products-hero__copy {
  max-width: 640px;
}

.page-products .products-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(42px, 9vw, 92px);
  line-height: 0.96;
  letter-spacing: 0.01em;
  margin: 0 0 20px;
  color: var(--c-white);
}

.page-products .products-hero__title-sub {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(16px, 2.8vw, 26px);
  line-height: 1.25;
  color: var(--c-gold-bright);
  margin-top: 14px;
  letter-spacing: 0.04em;
}

.page-products .products-hero__lead {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.8;
  color: rgba(244, 246, 250, 0.82);
  margin: 0 0 28px;
  max-width: 540px;
}

.page-products .products-hero__lead strong {
  color: var(--c-gold-bright);
  font-weight: 600;
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin: 0 0 28px;
}

.page-products .products-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-gold);
}

.page-products .products-hero__facts li {
  padding-left: 16px;
  position: relative;
}

.page-products .products-hero__facts li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--c-red);
}

.page-products .products-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: clamp(18px, 3vw, 32px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
}

.page-products .products-sticky-download {
  position: sticky;
  top: var(--nav-h-mobile);
  z-index: 24;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px clamp(16px, 4vw, 40px);
  background: rgba(10, 31, 68, 0.88);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
}

.page-products .products-sticky-download__label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-gold);
}

.page-products .products-download {
  background: var(--c-off);
  color: var(--c-deep);
  padding: clamp(56px, 10vw, 120px) 0;
}

.page-products .products-download__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 6vw, 56px);
}

.page-products .products-download__info > p {
  line-height: 1.75;
  margin: 0 0 20px;
  color: rgba(10, 31, 68, 0.78);
}

.page-products .products-download__info h2,
.page-products .products-changelog__title,
.page-products .products-history__head h2,
.page-products .products-compare__content h2,
.page-products .products-remind__content h2,
.page-products .products-support__panel h2,
.page-products .products-fixed-cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.05;
  margin: 8px 0 12px;
}

.page-products .products-download__info h2 {
  color: var(--c-deep);
}

.page-products .products-download__meta {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--c-deep-alt);
  font-family: var(--font-mono);
}

.page-products .products-download__meta li {
  padding-left: 28px;
  position: relative;
}

.page-products .products-download__meta li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 5px;
  width: 14px;
  height: 14px;
  border: 1px solid var(--c-gold);
  border-radius: 3px;
  box-sizing: border-box;
}

.page-products .products-download__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: 12px;
}

.page-products .products-download__hint {
  font-size: 13px;
  color: var(--c-slate);
}

.page-products .products-download__qr {
  position: relative;
  align-self: start;
}

.page-products .products-download__qr-card {
  margin: 0;
  background: var(--c-white);
  border-radius: 18px;
  padding: 14px;
  border: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 18px 48px rgba(10, 31, 68, 0.14);
}

.page-products .products-download__qr-card:focus-visible {
  outline: 3px solid var(--c-gold);
  outline-offset: 4px;
}

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

.page-products .products-download__qr-card figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  color: var(--c-deep);
  margin-top: 10px;
}

.page-products .products-download__qr-card figcaption::after {
  content: ' · 扫描进入资源通道';
  color: var(--c-red);
  font-weight: 700;
}

.page-products .products-download__qr-card:hover figcaption::after,
.page-products .products-download__qr-card:focus-within figcaption::after {
  content: ' · 官方下载指引已就位';
  color: var(--c-deep);
  font-weight: 500;
}

.page-products .products-changelog {
  background: var(--c-deep);
  color: var(--c-white);
  padding: clamp(64px, 10vw, 128px) 0;
}

.page-products .products-changelog__head {
  max-width: 720px;
  margin-bottom: 40px;
}

.page-products .products-changelog__head p:last-child {
  color: rgba(244, 246, 250, 0.7);
  line-height: 1.7;
  margin: 0;
}

.page-products .products-changelog__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: clamp(26px, 5vw, 48px);
  background: linear-gradient(145deg, var(--products-deep-card), rgba(10, 31, 68, 0.72));
  border: 1px solid var(--products-gold-line);
  border-radius: 24px;
}

.page-products .products-changelog__version {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.page-products .products-version {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(44px, 8vw, 84px);
  line-height: 1;
  color: var(--c-gold);
}

.page-products .products-version__tag {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-white);
  background: var(--c-red);
  border-radius: 999px;
  padding: 4px 12px;
  letter-spacing: 0.06em;
}

.page-products .products-changelog__img img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
}

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

.page-products .products-changelog__list li {
  position: relative;
  padding: 14px 16px 14px 20px;
  background: rgba(244, 246, 250, 0.06);
  border-left: 3px solid var(--c-gold);
  border-radius: 0 12px 12px 0;
  line-height: 1.7;
  color: rgba(244, 246, 250, 0.9);
}

.page-products .products-history {
  background: var(--c-deep-alt);
  color: var(--c-white);
  padding: clamp(64px, 10vw, 128px) 0;
}

.page-products .products-history__head {
  display: grid;
  gap: 12px;
  max-width: 900px;
  margin-bottom: 40px;
}

.page-products .products-history__head p {
  color: rgba(244, 246, 250, 0.7);
  line-height: 1.75;
  margin: 0;
}

.page-products .products-history__timeline {
  position: relative;
  padding-left: 24px;
}

.page-products .products-history__timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-gold), rgba(212, 175, 55, 0.12));
}

.page-products .products-history__node {
  position: relative;
  margin-bottom: 18px;
}

.page-products .products-history__node::before {
  content: '';
  position: absolute;
  left: -21px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.16);
}

.page-products .products-history__item {
  background: rgba(10, 31, 68, 0.5);
  border: 1px solid rgba(244, 246, 250, 0.08);
  border-radius: 16px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-products .products-history__item[open] {
  border-color: var(--products-gold-line);
  background: rgba(10, 31, 68, 0.72);
}

.page-products .products-history__item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-products .products-history__item summary::-webkit-details-marker {
  display: none;
}

.page-products .products-history__ver {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 36px);
  color: var(--c-gold-bright);
  font-weight: 600;
}

.page-products .products-history__time {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--c-slate);
  letter-spacing: 0.08em;
}

.page-products .products-history__toggle {
  margin-left: auto;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--c-slate);
}

.page-products .products-history__toggle::after {
  content: '展开记录';
}

.page-products .products-history__item[open] .products-history__toggle::after {
  content: '收起记录';
}

.page-products .products-history__body {
  padding: 0 20px 20px;
}

.page-products .products-history__body ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .products-history__body li {
  position: relative;
  padding-left: 20px;
  line-height: 1.7;
  color: rgba(244, 246, 250, 0.82);
}

.page-products .products-history__body li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-gold);
}

.page-products .products-compare {
  background: radial-gradient(circle at 90% 10%, rgba(230, 57, 70, 0.14), transparent 30%), var(--c-deep);
  color: var(--c-white);
  padding: clamp(64px, 10vw, 128px) 0;
}

.page-products .products-compare__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 6vw, 56px);
  align-items: center;
}

.page-products .products-compare__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--glass-border);
}

.page-products .products-compare__content p {
  color: rgba(244, 246, 250, 0.75);
  line-height: 1.8;
  margin: 0 0 20px;
}

.page-products .products-compare__content ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .products-compare__content li {
  position: relative;
  padding-left: 24px;
  color: rgba(244, 246, 250, 0.92);
  line-height: 1.6;
}

.page-products .products-compare__content li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 9px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--c-gold);
  transform: rotate(45deg);
  border-radius: 1px;
  box-sizing: border-box;
}

.page-products .products-remind {
  background: var(--c-deep-alt);
  color: var(--c-white);
  padding: clamp(64px, 10vw, 128px) 0;
}

.page-products .products-remind__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 6vw, 56px);
  align-items: center;
}

.page-products .products-remind__content p {
  color: rgba(244, 246, 250, 0.78);
  line-height: 1.8;
  margin: 0 0 20px;
}

.page-products .products-remind__content img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--products-gold-line);
}

.page-products .products-remind__stat {
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid var(--products-gold-line);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 40px);
}

.page-products .products-remind__stat p {
  margin: 0;
  line-height: 1.7;
  color: rgba(244, 246, 250, 0.8);
}

.page-products .products-remind__stat .stat {
  font-family: var(--font-mono);
  font-size: clamp(32px, 5vw, 56px);
  color: var(--c-gold-bright);
  line-height: 1.05;
  margin-bottom: 12px;
}

.page-products .products-remind__stat .stat__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-slate);
  margin-bottom: 8px;
}

.page-products .products-support {
  background: var(--c-off);
  color: var(--c-deep);
  padding: clamp(64px, 10vw, 128px) 0;
}

.page-products .products-support__panel > p {
  max-width: 640px;
  line-height: 1.8;
  color: rgba(10, 31, 68, 0.75);
  margin: 0 0 32px;
}

.page-products .products-support__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.page-products .products-support__card {
  background: var(--c-white);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 12px 32px rgba(10, 31, 68, 0.06);
  border-top: 3px solid var(--c-gold);
}

.page-products .products-support__card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.04em;
  margin: 0 0 12px;
}

.page-products .products-support__card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .products-support__card li {
  position: relative;
  padding-left: 18px;
  line-height: 1.6;
  color: rgba(10, 31, 68, 0.75);
}

.page-products .products-support__card li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--c-gold);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.page-products .products-support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products .products-support__links a {
  color: var(--c-deep-alt);
  text-decoration: none;
  border-bottom: 1px solid var(--c-gold);
  padding-bottom: 2px;
}

.page-products .products-support__links a:hover {
  color: var(--c-red);
  border-color: var(--c-red);
}

.page-products .products-fixed-cta {
  background: linear-gradient(140deg, var(--c-deep-alt), var(--c-deep));
  color: var(--c-white);
  text-align: center;
  padding: clamp(56px, 9vw, 112px) 0;
}

.page-products .products-fixed-cta p {
  color: rgba(244, 246, 250, 0.7);
  max-width: 440px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.page-products .products-btn--download {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.16s var(--ease), background 0.16s var(--ease), color 0.16s var(--ease);
}

.page-products .products-btn--download:active {
  transform: translateY(2px) scale(0.98);
}

@media (min-width: 680px) {
  .page-products .products-support__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .products-download__qr-card {
    max-width: 340px;
    margin-inline: auto;
  }
}

@media (min-width: 900px) {
  .page-products #download-entry,
  .page-products #download-qr,
  .page-products #version-history,
  .page-products #support {
    scroll-margin-top: calc(var(--nav-h) + 80px);
  }

  .page-products .products-sticky-download {
    top: var(--nav-h);
  }

  .page-products .products-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

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

  .page-products .products-download__qr {
    position: sticky;
    top: calc(var(--nav-h) + 28px);
  }

  .page-products .products-changelog__card {
    grid-template-columns: 180px minmax(0, 380px) 1fr;
    gap: 40px;
    align-items: center;
  }

  .page-products .products-history__head {
    grid-template-columns: 1fr 0.7fr;
    align-items: end;
    gap: 40px;
  }

  .page-products .products-history__head p {
    margin: 0;
  }

  .page-products .products-compare__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  }

  .page-products .products-remind__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.5fr);
  }
}