.page-products {
  --pp-ink-soft: rgba(16, 21, 31, 0.72);
  --pp-ice-soft: rgba(245, 249, 253, 0.74);
  --pp-gap: 68px;
}

/* ---------- 封面首屏 ---------- */
.page-products .feat-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--cn-header-h) + 52px) 0 60px;
  color: var(--cn-ice);
  background:
    radial-gradient(120% 92% at 84% 8%, rgba(35, 201, 182, 0.24), transparent 58%),
    radial-gradient(92% 82% at 10% 92%, rgba(215, 38, 61, 0.2), transparent 62%),
    linear-gradient(158deg, var(--cn-night) 0%, var(--cn-ink) 60%, #0a2b45 100%);
}

.page-products .feat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(169, 200, 232, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 200, 232, 0.07) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
}

.page-products .feat-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 38px;
}

.page-products .feat-hero .cn-breadcrumb {
  margin: 0 0 20px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: rgba(245, 249, 253, 0.58);
}

.page-products .feat-hero .cn-breadcrumb a {
  color: rgba(245, 249, 253, 0.78);
  text-decoration: none;
}

.page-products .feat-hero .cn-breadcrumb a:hover {
  color: var(--cn-gold);
}

.page-products .feat-hero__eyebrow {
  color: var(--cn-gold);
}

.page-products .feat-hero__title {
  margin: 16px 0 0;
  max-width: 17em;
  font-family: var(--cn-font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-products .feat-hero__title-accent {
  position: relative;
  color: var(--cn-gold);
}

.page-products .feat-hero__lead {
  margin: 22px 0 0;
  max-width: 33em;
  font-size: 1.02rem;
  line-height: 1.92;
  color: var(--pp-ice-soft);
}

.page-products .feat-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: rgba(245, 249, 253, 0.58);
}

.page-products .feat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-products .feat-hero__actions .cn-btn--ghost {
  color: var(--cn-ice);
  border: 1px solid rgba(169, 200, 232, 0.52);
  background: transparent;
}

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

.page-products .feat-hero__rail {
  border-top: 1px solid rgba(169, 200, 232, 0.24);
  padding-top: 18px;
}

.page-products .feat-hero__rail-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-hero__rail-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: rgba(245, 249, 253, 0.72);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 200, 232, 0.14);
  transition: color 0.2s ease, padding-left 0.24s ease;
}

.page-products .feat-hero__rail-list a:hover {
  color: var(--cn-ice);
  padding-left: 6px;
}

.page-products .feat-hero__rail-list .cn-mono {
  color: var(--cn-cyan);
  font-size: 0.76rem;
}

/* ---------- 通用区块 ---------- */
.page-products .feat-block {
  position: relative;
  padding: var(--pp-gap) 0;
}

.page-products .feat-block--ice {
  background: var(--cn-ice);
  color: var(--cn-ink);
}

.page-products .feat-block--ink {
  background: var(--cn-ink);
  color: var(--cn-ice);
}

.page-products .feat-block__grid {
  display: grid;
  gap: 34px;
}

.page-products .feat-block__title {
  margin: 14px 0 0;
  font-family: var(--cn-font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.25rem);
  line-height: 1.24;
  letter-spacing: -0.012em;
}

.page-products .feat-block__lead {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.92;
  color: var(--pp-ink-soft);
}

.page-products .feat-block--ink .feat-block__title {
  color: var(--cn-ice);
}

.page-products .feat-block--ink .feat-block__lead {
  color: var(--pp-ice-soft);
}

.page-products .feat-block--ink .cn-eyebrow {
  color: var(--cn-cyan);
}

.page-products .feat-block__more {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cn-frost);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--cn-mist);
}

.page-products .feat-block__more a {
  color: var(--cn-blue);
  font-weight: 600;
  text-decoration: none;
}

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

.page-products .feat-block--ink .feat-block__more {
  border-left-color: rgba(169, 200, 232, 0.4);
  color: rgba(245, 249, 253, 0.7);
}

.page-products .feat-block--ink .feat-block__more a {
  color: var(--cn-cyan);
}

.page-products .feat-inline-actions {
  margin-top: 30px;
}

/* ---------- 研究板 ---------- */
.page-products .feat-board {
  display: grid;
  gap: 2px;
  margin-top: 32px;
  background: var(--cn-line);
  border: 1px solid var(--cn-line);
}

.page-products .feat-board__cell {
  position: relative;
  padding: 24px 20px 26px 22px;
  background: #ffffff;
  clip-path: polygon(14px 0, 100% 0, 100% 100%, 0 100%, 0 14px);
}

.page-products .feat-board__cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--cn-blue);
}

.page-products .feat-board__cell--a::before { background: var(--cn-red); }
.page-products .feat-board__cell--b::before { background: var(--cn-blue); }
.page-products .feat-board__cell--c::before { background: var(--cn-cyan); }
.page-products .feat-board__cell--d::before { background: var(--cn-gold); }

.page-products .feat-board__label {
  margin: 0 0 10px;
  font-family: var(--cn-font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cn-blue);
}

.page-products .feat-board__cell--a .feat-board__label { color: var(--cn-red); }
.page-products .feat-board__cell--c .feat-board__label { color: #159c8d; }
.page-products .feat-board__cell--d .feat-board__label { color: #b8791f; }

.page-products .feat-board__cell p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--cn-mist);
}

/* ---------- 图片 ---------- */
.page-products .feat-figure {
  margin: 0;
}

.page-products .feat-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: linear-gradient(150deg, rgba(27, 110, 194, 0.16), rgba(35, 201, 182, 0.1));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-products .feat-figure figcaption {
  margin-top: 12px;
  font-size: 0.8rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--cn-mist);
}

.page-products .feat-figure--wide {
  margin-top: 36px;
  max-width: 940px;
}

.page-products .feat-figure--square img {
  aspect-ratio: 1 / 1;
}

/* ---------- 栏目聚合面板 ---------- */
.page-products .feat-hub {
  display: grid;
  gap: 2px;
  margin-top: 32px;
  background: var(--cn-line-dark);
  border: 1px solid var(--cn-line-dark);
}

.page-products .feat-hub__item {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 22px 20px 26px;
  background: var(--cn-night);
  color: var(--cn-ice);
  text-decoration: none;
  transition: background 0.22s ease;
}

.page-products .feat-hub__item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cn-red), var(--cn-cyan));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s ease;
}

.page-products .feat-hub__item:hover {
  background: #14283f;
}

.page-products .feat-hub__item:hover::after,
.page-products .feat-hub__item:focus-visible::after {
  transform: scaleX(1);
}

.page-products .feat-hub__num {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--cn-gold);
}

.page-products .feat-hub__name {
  font-family: var(--cn-font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--cn-ice);
}

.page-products .feat-hub__desc {
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(245, 249, 253, 0.6);
}

/* ---------- 当季版本 ---------- */
.page-products .feat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-tags .cn-tag {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--cn-line);
  background: #ffffff;
  color: var(--cn-blue);
  font-family: var(--cn-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-products .feat-tags .cn-tag--gold {
  border-color: var(--cn-gold);
  background: var(--cn-gold);
  color: var(--cn-ink);
  font-weight: 700;
}

.page-products .feat-facts {
  margin: 28px 0 0;
  border-top: 1px solid var(--cn-line);
}

.page-products .feat-facts > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--cn-line);
}

.page-products .feat-facts dt {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--cn-mist);
}

.page-products .feat-facts dd {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--cn-ink);
  text-align: right;
}

/* ---------- 迭代节奏带 ---------- */
.page-products .feat-cadence {
  position: relative;
  overflow: hidden;
  padding: 70px 0;
  color: var(--cn-ice);
  background: linear-gradient(118deg, var(--cn-night) 0%, #0a2b45 56%, var(--cn-ink) 100%);
}

.page-products .feat-cadence__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  pointer-events: none;
  clip-path: none;
}

.page-products .feat-cadence__inner {
  position: relative;
  z-index: 1;
}

.page-products .feat-cadence__eyebrow {
  color: var(--cn-gold);
}

.page-products .feat-cadence__title {
  margin: 14px 0 0;
  font-family: var(--cn-font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.25rem);
  line-height: 1.24;
}

.page-products .feat-cadence__lead {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.92;
  color: var(--pp-ice-soft);
}

.page-products .feat-cadence__track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-cadence__slot {
  position: relative;
  display: grid;
  gap: 8px;
  padding-top: 18px;
  border-top: 2px solid rgba(169, 200, 232, 0.3);
}

.page-products .feat-cadence__slot--now {
  border-top-color: var(--cn-gold);
}

.page-products .feat-cadence__slot--now::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cn-gold);
  animation: feat-pulse 7s ease-in-out infinite;
}

.page-products .feat-cadence__q {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cn-frost);
}

.page-products .feat-cadence__slot--now .feat-cadence__q {
  color: var(--cn-gold);
}

.page-products .feat-cadence__label {
  font-size: 0.85rem;
  line-height: 1.72;
  color: rgba(245, 249, 253, 0.66);
}

.page-products .feat-cadence__fold {
  margin-top: 38px;
  max-width: 46em;
}

@keyframes feat-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(242, 169, 59, 0.24); }
  50% { box-shadow: 0 0 0 11px rgba(242, 169, 59, 0.05); }
}

/* ---------- 资料下载 ---------- */
.page-products .feat-dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2px;
  margin-top: 34px;
  background: var(--cn-line);
  border: 1px solid var(--cn-line);
}

.page-products .feat-dl__stat {
  display: grid;
  gap: 8px;
  padding: 22px 18px;
  background: #ffffff;
}

.page-products .feat-dl__num {
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cn-red);
}

.page-products .feat-dl__stat span:last-child {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--cn-mist);
}

.page-products .feat-steps {
  counter-reset: ppstep;
  display: grid;
  gap: 2px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-steps li {
  counter-increment: ppstep;
  position: relative;
  padding: 16px 18px 16px 60px;
  background: #ffffff;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--cn-ink);
}

.page-products .feat-steps li::before {
  content: counter(ppstep, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--cn-font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cn-blue);
}

.page-products .feat-steps a {
  color: var(--cn-blue);
  font-weight: 600;
  text-decoration: none;
}

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

/* ---------- 收藏与移动端 ---------- */
.page-products .feat-list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-list li {
  position: relative;
  padding: 18px 20px;
  background: #ffffff;
  border-left: 3px solid var(--cn-cyan);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--cn-mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-products .feat-list strong {
  color: var(--cn-ink);
  font-weight: 700;
}

/* ---------- 访问表现 ---------- */
.page-products .feat-perf {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2px;
  margin-top: 34px;
  background: var(--cn-line-dark);
  border: 1px solid var(--cn-line-dark);
}

.page-products .feat-perf > div {
  display: grid;
  gap: 9px;
  padding: 24px 18px;
  background: rgba(245, 249, 253, 0.04);
}

.page-products .feat-perf .cn-mono {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cn-cyan);
}

.page-products .feat-perf p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.72;
  color: rgba(245, 249, 253, 0.66);
}

/* ---------- 结尾 CTA ---------- */
.page-products .feat-cta {
  position: relative;
  overflow: hidden;
  padding: 62px 0;
  color: var(--cn-ice);
  background: linear-gradient(122deg, var(--cn-ink) 0%, var(--cn-night) 46%, var(--cn-red-deep) 100%);
}

.page-products .feat-cta::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -100px;
  width: 420px;
  height: 420px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(35, 201, 182, 0.3), transparent 66%);
}

.page-products .feat-cta__inner {
  position: relative;
  z-index: 1;
}

.page-products .feat-cta h2 {
  margin: 0;
  font-family: var(--cn-font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.15rem);
  line-height: 1.26;
}

.page-products .feat-cta p {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 0.98rem;
  line-height: 1.9;
  color: rgba(245, 249, 253, 0.78);
}

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

.page-products .feat-cta .cn-btn--ghost {
  color: var(--cn-ice);
  border: 1px solid rgba(245, 249, 253, 0.55);
  background: transparent;
}

.page-products .feat-cta .cn-btn--ghost:hover {
  border-color: var(--cn-ice);
  background: rgba(245, 249, 253, 0.1);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .feat-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .feat-cadence__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 980px) {
  .page-products {
    --pp-gap: 92px;
  }

  .page-products .feat-hero {
    padding: calc(var(--cn-header-h) + 82px) 0 90px;
  }

  .page-products .feat-hero__inner {
    grid-template-columns: minmax(0, 1fr) 214px;
    gap: 52px;
    align-items: start;
  }

  .page-products .feat-hero__rail {
    position: sticky;
    top: calc(var(--cn-header-h) + 32px);
    border-top: none;
    border-left: 1px solid rgba(169, 200, 232, 0.24);
    padding-top: 0;
    padding-left: 22px;
  }

  .page-products .feat-block__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .feat-block__grid--rev {
    grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
  }

  .page-products .feat-block__side {
    position: sticky;
    top: calc(var(--cn-header-h) + 30px);
  }
}

@media (min-width: 1120px) {
  .page-products .feat-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .feat-cadence {
    padding: 92px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feat-cadence__slot--now::before {
    animation: none;
    box-shadow: 0 0 0 5px rgba(242, 169, 59, 0.22);
  }

  .page-products .feat-hub__item,
  .page-products .feat-hub__item::after,
  .page-products .feat-hero__rail-list a {
    transition: none;
  }
}