.page-products {
  --p-cut: 18px;
  --p-line: rgba(201, 162, 39, .28);
  --p-line-soft: rgba(201, 162, 39, .16);
  background: var(--rice);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-products .section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

/* ============ 通用小节标题组 ============ */
.page-products .products-head {
  max-width: 62rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .products-head__index {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--bronze);
}

.page-products .products-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  line-height: 1.25;
  color: var(--purple);
  letter-spacing: .01em;
}

.page-products .products-head__lead {
  margin: 1rem 0 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ============ 首屏 ============ */
.page-products .products-masthead {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.25rem, 6vw, 4.25rem) clamp(2.5rem, 6vw, 5rem);
  background:
    radial-gradient(110% 85% at 84% 6%, rgba(201, 162, 39, .18), transparent 62%),
    linear-gradient(158deg, var(--purple) 0%, var(--purple-deep) 55%, var(--purple-abyss) 100%);
  color: var(--rice);
}

.page-products .products-masthead::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -22%;
  width: 44%;
  height: 150%;
  border-left: 1px solid rgba(201, 162, 39, .2);
  background: linear-gradient(180deg, rgba(201, 162, 39, .1), transparent 72%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-products .products-masthead__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.25rem;
}

.page-products .products-masthead__title {
  margin: .35rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6.2vw, 4.25rem);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--rice);
}

.page-products .products-masthead__title::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 3px;
  margin-top: 1.25rem;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.page-products .products-masthead__lead {
  margin: 1.5rem 0 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.7vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(246, 241, 231, .86);
}

.page-products .products-masthead__actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}

.page-products .products-masthead__aside {
  display: grid;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--p-line);
}

.page-products .products-seal {
  display: grid;
  place-items: center;
  align-content: center;
  gap: .1rem;
  width: 5.25rem;
  height: 5.25rem;
  border: 2px solid var(--cinnabar);
  transform: rotate(-3deg);
  font-family: var(--font-display);
}

.page-products .products-seal__mark {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold-light);
}

.page-products .products-seal__text {
  font-size: .75rem;
  letter-spacing: .2em;
  color: rgba(246, 241, 231, .78);
}

.page-products .products-figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem 1.25rem;
}

.page-products .products-figures__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.4vw, 2.15rem);
  line-height: 1;
  color: var(--gold-light);
}

.page-products .products-figures__label {
  display: block;
  margin-top: .45rem;
  font-size: .8125rem;
  line-height: 1.5;
  color: rgba(246, 241, 231, .72);
}

/* ============ 总览卡片 ============ */
.page-products .products-overview {
  background: var(--rice);
}

.page-products .products-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .products-card {
  padding: 1.6rem 1.35rem 1.5rem;
  background: #fff;
  border: 1px solid var(--mist);
  clip-path: polygon(
    0 0,
    calc(100% - var(--p-cut)) 0,
    100% var(--p-cut),
    100% 100%,
    var(--p-cut) 100%,
    0 calc(100% - var(--p-cut))
  );
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .products-card:hover,
.page-products .products-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--gold);
}

.page-products .products-card__seal {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: .9rem;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  font-family: var(--font-display);
  font-size: .95rem;
  line-height: 1;
}

.page-products .products-card h3 {
  margin: 0 0 .55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--purple);
}

.page-products .products-card__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .products-card__for {
  margin: 1rem 0 0;
  padding-top: .8rem;
  border-top: 1px solid var(--p-line-soft);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  color: var(--bronze);
}

/* ============ 图框 ============ */
.page-products .products-figure {
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem);
  overflow: hidden;
  background: var(--rice-deep);
  border: 1px solid var(--p-line);
  clip-path: polygon(
    0 0,
    calc(100% - 26px) 0,
    100% 26px,
    100% 100%,
    26px 100%,
    0 calc(100% - 26px)
  );
}

.page-products .products-figure--inset {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
}

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

/* ============ 分类区 ============ */
.page-products .products-catalog {
  background: var(--rice);
}

.page-products .products-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
}

.page-products .products-group {
  padding: 1.5rem 1.35rem;
  background: linear-gradient(180deg, #fff 0%, var(--rice-deep) 100%);
  border: 1px solid var(--mist);
  border-left: 3px solid var(--gold);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .products-group:hover,
.page-products .products-group:focus-within {
  transform: translateY(-3px);
  border-color: var(--gold);
  border-left-color: var(--gold-light);
}

.page-products .products-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
  margin-bottom: .85rem;
}

.page-products .products-group__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--purple);
}

.page-products .products-group__desc {
  margin: 0 0 1rem;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .products-group__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .products-group__list li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: .7rem;
  padding: .6rem 0;
  border-top: 1px solid var(--p-line-soft);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .products-group__list li:first-child {
  border-top: 0;
  padding-top: .1rem;
}

.page-products .products-group__code {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--bronze);
  padding-top: .2rem;
}

/* ============ 版本演进 ============ */
.page-products .products-versions {
  background: linear-gradient(165deg, var(--purple) 0%, var(--purple-deep) 100%);
  color: var(--rice);
}

.page-products .products-versions .products-head__index {
  color: var(--gold);
}

.page-products .products-versions .products-head__title {
  color: var(--rice);
}

.page-products .products-versions .products-head__lead {
  color: rgba(246, 241, 231, .82);
}

.page-products .products-versions .products-figure {
  border-color: var(--p-line);
  background: rgba(201, 162, 39, .06);
}

.page-products .products-timeline {
  position: relative;
  list-style: none;
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
  padding: 0;
}

.page-products .products-timeline::before {
  content: "";
  position: absolute;
  left: .42rem;
  top: .7rem;
  bottom: .7rem;
  width: 1px;
  background: var(--p-line);
}

.page-products .products-timeline__item {
  position: relative;
  padding: .9rem 0 .9rem 1.9rem;
}

.page-products .products-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.3rem;
  width: .85rem;
  height: .85rem;
  background: var(--purple-deep);
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-products .products-timeline__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--gold-light);
}

.page-products .products-timeline__stage {
  display: block;
  margin-top: .3rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--rice);
}

.page-products .products-timeline__text {
  margin: .5rem 0 0;
  max-width: 40ch;
  font-size: .875rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .78);
}

/* ============ 功能模块 ============ */
.page-products .products-modules {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.page-products .products-module {
  padding: 1.45rem 1.25rem 1.35rem;
  background: #fff;
  border: 1px solid var(--mist);
  border-top: 2px solid var(--purple);
  transition: transform var(--dur) var(--ease), border-top-color var(--dur) var(--ease);
}

.page-products .products-module:hover,
.page-products .products-module:focus-within {
  transform: translateY(-3px);
  border-top-color: var(--gold);
}

.page-products .products-module__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: .9rem;
  color: var(--gold);
  border: 1px solid var(--p-line);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

.page-products .products-module__title {
  margin: 0 0 .55rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--purple);
}

.page-products .products-module__text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .products-module__scene {
  margin: .9rem 0 0;
  padding-top: .75rem;
  border-top: 1px solid var(--p-line-soft);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  color: var(--jade);
}

/* ============ 切换与订阅流程 ============ */
.page-products .products-flows {
  background: linear-gradient(180deg, var(--purple-abyss) 0%, var(--ink) 100%);
  color: var(--rice);
}

.page-products .products-flows .products-head__index {
  color: var(--gold);
}

.page-products .products-flows .products-head__title {
  color: var(--rice);
}

.page-products .products-flows .products-head__lead {
  color: rgba(246, 241, 231, .82);
}

.page-products .products-flows__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-products .products-flow {
  padding: clamp(1.35rem, 3vw, 2rem);
  background: rgba(201, 162, 39, .05);
  border: 1px solid rgba(201, 162, 39, .3);
  clip-path: polygon(
    0 0,
    calc(100% - 20px) 0,
    100% 20px,
    100% 100%,
    20px 100%,
    0 calc(100% - 20px)
  );
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-products .products-flow__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.3;
  color: var(--gold-light);
}

.page-products .products-flow__steps {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
}

.page-products .products-flow__step {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .85rem;
  padding: .9rem 0;
  border-top: 1px dashed rgba(201, 162, 39, .26);
}

.page-products .products-flow__step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .products-flow__num {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .06em;
  color: var(--gold-light);
  padding-top: .15rem;
}

.page-products .products-flow__step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .86);
}

.page-products .products-flow__note {
  margin: 1.1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid rgba(201, 162, 39, .2);
  font-size: .8125rem;
  line-height: 1.75;
  color: rgba(232, 201, 106, .82);
}

.page-products .products-flows .products-figure {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0;
  background: rgba(201, 162, 39, .05);
}

/* ============ 下载与安装 ============ */
.page-products .products-guide {
  background: var(--rice);
}

.page-products .products-guide__steps {
  list-style: none;
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .products-guide__step {
  padding: 1.35rem 1.2rem;
  background: #fff;
  border: 1px solid var(--mist);
  clip-path: polygon(
    0 0,
    calc(100% - var(--p-cut)) 0,
    100% var(--p-cut),
    100% 100%,
    var(--p-cut) 100%,
    0 calc(100% - var(--p-cut))
  );
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .products-guide__step:hover,
.page-products .products-guide__step:focus-within {
  transform: translateY(-3px);
  border-color: var(--gold);
}

.page-products .products-guide__num {
  display: block;
  margin-bottom: .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.4rem);
  line-height: 1;
  color: var(--bronze);
}

.page-products .products-guide__step h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--purple);
}

.page-products .products-guide__step p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .products-guide .products-figure {
  margin-bottom: 0;
}

/* ============ 常见问题 ============ */
.page-products .products-faq {
  background: var(--rice);
}

.page-products .products-faq__item {
  border-top: 1px solid var(--mist);
}

.page-products .products-faq__item:last-of-type {
  border-bottom: 1px solid var(--mist);
}

.page-products .products-faq__item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--purple);
  transition: color var(--dur) var(--ease);
}

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

.page-products .products-faq__item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--gold-ink);
}

.page-products .products-faq__item[open] summary::after {
  content: "–";
}

.page-products .products-faq__item summary:hover,
.page-products .products-faq__item summary:focus-visible {
  color: var(--gold-ink);
}

.page-products .products-faq__item p {
  margin: 0 0 1.15rem;
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .products-faq__more {
  margin: 1.5rem 0 0;
  font-size: .9375rem;
  color: var(--ink-soft);
}

.page-products .products-faq__more a {
  color: var(--purple);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--dur) var(--ease);
}

.page-products .products-faq__more a:hover,
.page-products .products-faq__more a:focus-visible {
  color: var(--gold-ink);
}

/* ============ 结尾引导 ============ */
.page-products .products-cta {
  background: linear-gradient(150deg, var(--purple-deep) 0%, var(--purple) 100%);
  color: var(--rice);
}

.page-products .products-cta__inner {
  display: grid;
  gap: 1.25rem;
  max-width: 56rem;
}

.page-products .products-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.3;
  color: var(--rice);
}

.page-products .products-cta__text {
  margin: 0;
  max-width: 54ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(246, 241, 231, .84);
}

.page-products .products-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: .5rem;
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-products .products-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-products .products-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.35rem;
  }
}

@media (min-width: 900px) {
  .page-products .products-masthead__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-products .products-masthead__aside {
    padding-top: 0;
    padding-left: clamp(1.25rem, 3vw, 2.25rem);
    border-top: 0;
    border-left: 1px solid var(--p-line);
  }

  .page-products .products-flows__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-products .products-guide__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .products-timeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-products .products-timeline::before {
    left: .5rem;
    right: .5rem;
    top: 1.05rem;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-products .products-timeline__item {
    padding: 2.7rem 0 0;
  }

  .page-products .products-timeline__item::before {
    top: .5rem;
    left: 0;
  }
}

@media (min-width: 1024px) {
  .page-products .products-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.15rem;
  }

  .page-products .products-modules {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}