.page-products {
  --fold-size: 30px;
  --card-bg: #102A4C;
  --card-bg-deep: #0D2442;
  --accent-gold: #D4AF37;
  --accent-red: #E63946;
  --line-color: #3A5F8A;
  --text-soft: #B0C4DE;
  --text-solid: #F5F7FA;
  --font-head: 'PingFang SC', 'Microsoft YaHei', 'Archivo Black', 'Arial Black', sans-serif;
  --font-body: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
  --font-mono: 'Roboto Mono', 'SF Mono', 'Courier New', monospace;
  scroll-behavior: smooth;
  background: var(--bg-primary, #0B1E3A);
  color: var(--text-solid);
  font-family: var(--font-body);
  padding: 0 0 4rem;
  overflow-wrap: break-word;
}

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

.page-products .products-crumbs {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

.page-products .products-crumbs a {
  color: var(--gold-bright, #FFD700);
  text-decoration: none;
}

.page-products .products-crumbs a:hover {
  text-decoration: underline;
}

.page-products .products-crumbs [aria-current="page"] {
  color: var(--text-solid);
}

/* ===== Cover ===== */
.page-products .products-cover {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  align-items: end;
  position: relative;
}

.page-products .products-cover::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-gold));
  opacity: 0.8;
}

.page-products .products-cover__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-products .products-cover__kicker {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--text-soft);
  text-transform: uppercase;
  border-left: 3px solid var(--accent-gold);
  padding-left: 0.75rem;
}

.page-products .products-cover__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  height: 1.6rem;
  padding: 0 0.5rem;
  background: var(--accent-gold);
  color: #0B1E3A;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-products .products-cover__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.6vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--text-solid);
  max-width: 38rem;
}

.page-products .products-cover__divider {
  color: var(--accent-gold);
  font-weight: 400;
  margin: 0 0.4em;
}

.page-products .products-cover__lede {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 38rem;
  margin: 0 0 1rem;
}

.page-products .products-cover__devicesvg {
  width: 150px;
  max-width: 140px;
  color: var(--accent-gold);
  opacity: 0.8;
  margin-top: 0.25rem;
}

.page-products .products-cover__visual {
  margin: 0;
  position: relative;
  border: 1px solid var(--line-color);
  background: var(--card-bg-deep);
  padding: 0.75rem 0.75rem 0.5rem;
  transform: rotate(-0.4deg);
}

.page-products .products-cover__visual::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 48px;
  height: 48px;
  background:
    linear-gradient(-45deg, var(--bg-primary, #0B1E3A) 49%, var(--accent-red) 50%, var(--accent-red) 100%);
}

.page-products .products-cover__img {
  width: 100%;
  object-fit: cover;
}

.page-products .products-cover__caption {
  padding: 0.65rem 0.25rem 0.1rem;
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  border-bottom: 1px solid transparent;
}

.page-products .products-cover__info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-color);
  border: 1px solid var(--line-color);
  grid-column: 1 / -1;
}

.page-products .cover-stat {
  background: var(--card-bg);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-products .cover-stat__num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: -0.02em;
}

.page-products .cover-stat__label {
  font-family: var(--font-head);
  font-size: 0.78rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

/* ===== Doc layout ===== */
.page-products .products-doc {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.page-products .products-toc {
  background: var(--card-bg-deep);
  border: 1px solid var(--line-color);
  padding: 1.25rem 1.25rem 1.5rem;
  position: relative;
}

.page-products .products-toc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold) 0%, var(--line-color) 60%, transparent 100%);
}

.page-products .products-toc__title {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  margin: 0 0 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line-color);
}

.page-products .products-toc__nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-products .products-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.6rem 0.5rem;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-solid);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-products .products-toc__link span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-soft);
  letter-spacing: 0.03em;
}

.page-products .products-toc__link:hover {
  background: var(--card-bg);
  border-left-color: var(--accent-gold);
  color: var(--gold-bright, #FFD700);
}

.page-products .products-toc__hint {
  margin: 1.25rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--line-color);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-products .products-toc__hint a {
  color: var(--gold-bright, #FFD700);
}

.page-products .products-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* ===== Feature block ===== */
.page-products .feature-block {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--line-color);
  padding: 2rem 1.25rem 1.75rem;
  margin-left: 0;
}

.page-products .feature-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-top: var(--fold-size) solid var(--accent-gold);
  border-right: var(--fold-size) solid transparent;
  z-index: 2;
}

.page-products .feature-block--offset {
  margin-left: 0.75rem;
  border-top-color: var(--accent-red);
}

.page-products .feature-block--offset::before {
  border-top-color: var(--accent-red);
}

.page-products .feature-block__heading {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-left: calc(var(--fold-size) * 0.25);
}

.page-products .feature-block__index {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--accent-gold);
  line-height: 1.1;
  flex: 0 0 auto;
  padding-top: 0.15rem;
}

.page-products .feature-block__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: var(--text-solid);
  margin: 0 0 0.3rem;
}

.page-products .feature-block__sub {
  font-family: var(--font-head);
  font-size: 0.82rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
  margin: 0;
}

.page-products .feature-block__body h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold-bright, #FFD700);
  margin: 1.5rem 0 0.7rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--line-color);
}

.page-products .feature-block__body p {
  line-height: 1.8;
  color: var(--text-solid);
  margin: 0 0 1rem;
}

.page-products .feature-block__body ul,
.page-products .feature-block__body ol {
  margin: 0 0 1.2rem;
  padding-left: 1.35rem;
  line-height: 1.8;
  color: var(--text-solid);
}

.page-products .feature-list li,
.page-products .content-list li {
  margin-bottom: 0.4rem;
}

.page-products .feature-list li::marker {
  color: var(--accent-gold);
}

.page-products .feature-steps li::marker {
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-products .feature-steps strong {
  color: var(--accent-gold);
  font-family: var(--font-head);
  font-weight: 700;
}

.page-products .feature-scene {
  margin-top: 1.5rem;
  padding: 0.85rem 1rem;
  background: var(--card-bg-deep);
  border-left: 3px solid var(--accent-gold);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .feature-scene__label {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  margin-right: 0.5rem;
  text-transform: uppercase;
}

/* dual visual */
.page-products .dual-visual {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 0.5rem;
  margin: 1.25rem 0;
  font-family: var(--font-head);
}

.page-products .dual-visual div {
  border: 1px solid var(--line-color);
  background: var(--card-bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  color: var(--text-soft);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  position: relative;
}

.page-products .dual-visual__main::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12) 0%, transparent 50%);
}

.page-products .dual-visual__main {
  border-color: var(--accent-gold) !important;
  color: var(--accent-gold) !important;
  font-weight: 700;
}

.page-products .dual-visual__side {
  border-style: dashed !important;
}

/* ===== iOS split ===== */
.page-products .feature-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  margin: 1rem 0 1.25rem;
}

.page-products .feature-split__media {
  margin: 0;
  border: 1px solid var(--line-color);
  background: var(--card-bg-deep);
  padding: 0.5rem;
}

.page-products .feature-split__media img {
  width: 100%;
  object-fit: cover;
}

.page-products .speed-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--card-bg-deep);
  border: 1px dashed var(--line-color);
  margin: 1rem 0;
}

.page-products .speed-strip__label {
  flex: 0 0 100%;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.page-products .speed-strip__dot {
  position: relative;
  flex: 1 1 0;
  min-width: 86px;
  padding: 0.7rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-solid);
  border: 1px solid var(--line-color);
  background: var(--card-bg);
  text-align: center;
}

.page-products .speed-strip__dot::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--accent-gold);
}

.page-products .speed-strip__dot--025::after {
  width: 25%;
}

.page-products .speed-strip__dot--050::after {
  width: 50%;
}

.page-products .speed-strip__dot--075::after {
  width: 75%;
}

.page-products .speed-strip__desc {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-soft);
}

/* ===== Ranking spec ===== */
.page-products .ranking-spec {
  display: grid;
  grid-template-columns: 0.8fr 2.2fr repeat(6, 1fr);
  border: 1px solid var(--line-color);
  background: var(--card-bg-deep);
  margin: 0.5rem 0 1.5rem;
  overflow-x: auto;
  min-width: 540px;
}

.page-products .ranking-spec__cell {
  padding: 0.65rem 0.4rem;
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--text-soft);
  border-right: 1px solid var(--line-color);
  text-align: center;
  white-space: nowrap;
}

.page-products .ranking-spec__cell:first-child {
  color: var(--accent-gold);
  font-family: var(--font-mono);
}

.page-products .ranking-spec__cell:nth-child(2) {
  text-align: left;
  color: var(--text-solid);
}

/* ===== League grid ===== */
.page-products .league-filter {
  margin: 0.75rem 0 1rem;
  gap: 0.5rem;
}

.page-products .filter-btn {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--line-color);
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-products .filter-btn:hover {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

.page-products .filter-btn.is-active {
  background: var(--accent-gold);
  color: #0B1E3A;
  border-color: var(--accent-gold);
  font-weight: 800;
}

.page-products .league-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-products .league-card {
  background: var(--card-bg-deep);
  border: 1px solid var(--line-color);
  border-left: 3px solid var(--accent-gold);
  padding: 0.85rem 1rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-products .league-card:hover {
  transform: translateX(4px);
  border-color: var(--accent-gold);
}

.page-products .league-card__name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-solid);
  margin: 0 0 0.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.4rem;
}

.page-products .league-card__en {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

.page-products .league-card__meta {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-soft);
  font-family: var(--font-head);
}

.page-products .league-figure {
  margin: 1.25rem 0;
  border: 1px solid var(--line-color);
  background: var(--card-bg-deep);
  padding: 0.5rem;
}

.page-products .league-figure img {
  width: 100%;
  object-fit: cover;
}

.page-products .league-figure figcaption {
  padding: 0.6rem 0.2rem 0.2rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

/* ===== Performance ===== */
.page-products .perf-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.page-products .perf-card {
  background: var(--card-bg-deep);
  border: 1px solid var(--line-color);
  padding: 1.25rem 1rem;
  position: relative;
  overflow: hidden;
}

.page-products .perf-card::after {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 50px;
  height: 50px;
  background: var(--accent-red);
  opacity: 0.14;
  transform: rotate(45deg);
}

.page-products .perf-card__icon {
  width: 42px;
  height: 42px;
  color: var(--accent-gold);
  margin-bottom: 0.6rem;
}

.page-products .perf-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-solid);
  margin: 0 0 0.4rem;
}

.page-products .perf-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.6;
}

.page-products .perf-figure {
  margin: 1.25rem 0;
  border: 1px solid var(--line-color);
  background: var(--card-bg-deep);
  padding: 0.5rem;
}

.page-products .perf-figure img {
  width: 100%;
  object-fit: cover;
}

.page-products .perf-figure figcaption {
  padding: 0.6rem 0.2rem 0.2rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

/* ===== Content center ===== */
.page-products .content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.page-products .content-card {
  background: var(--card-bg-deep);
  border: 1px solid var(--line-color);
  padding: 1.1rem 1.15rem;
  border-top: 3px solid var(--accent-gold);
}

.page-products .content-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-solid);
  margin: 0 0 0.6rem;
}

.page-products .content-list {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .content-list li::marker {
  color: var(--accent-gold);
}

.page-products .content-figure {
  margin: 1.25rem 0;
  border: 1px solid var(--line-color);
  background: var(--card-bg-deep);
  padding: 0.5rem;
}

.page-products .content-figure img {
  width: 100%;
  object-fit: cover;
}

.page-products .content-figure figcaption {
  padding: 0.6rem 0.2rem 0.2rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

.page-products .content-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.2rem;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-products .btn--gold {
  background: var(--accent-gold);
  color: #0B1E3A;
  border-color: var(--accent-gold);
}

.page-products .btn--gold:hover {
  background: transparent;
  color: var(--accent-gold);
}

.page-products .btn--ghost {
  background: transparent;
  color: var(--text-soft);
  border-color: var(--line-color);
}

.page-products .btn--ghost:hover {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

/* ===== Media Queries ===== */
@media (min-width: 620px) {
  .page-products .products-cover__info-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .league-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .perf-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .content-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .feature-split {
    grid-template-columns: 1.1fr 1fr;
  }

  .page-products .feature-block {
    padding: 2.25rem 1.75rem 1.75rem;
  }
}

@media (min-width: 900px) {
  .page-products .products-cover {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    column-gap: 2.5rem;
    padding-top: 3rem;
  }

  .page-products .products-cover__text {
    grid-column: 1;
  }

  .page-products .products-cover__visual {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-products .products-cover__info-grid {
    grid-column: 1;
    grid-row: 2;
  }

  .page-products .products-cover__title {
    font-size: 2.6rem;
  }

  .page-products .products-cover__devicesvg {
    display: none;
  }

  .page-products .products-doc {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 2.5rem;
  }

  .page-products .products-toc {
    position: sticky;
    top: 1.5rem;
  }

  .page-products .feature-block--offset {
    margin-left: 2rem;
  }

  .page-products .feature-block:not(.feature-block--offset) {
    margin-right: 1.5rem;
  }
}

@media (min-width: 1100px) {
  .page-products .league-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .feature-block {
    padding: 2.75rem 2.25rem 2rem;
  }

  .page-products .feature-block__title {
    font-size: 1.55rem;
  }
}