.page-products {
  --prod-cut: 22px;
  --prod-hair: rgba(53, 242, 208, 0.22);
  --prod-soft: rgba(10, 42, 60, 0.72);
  --prod-gap: clamp(1rem, 2.4vw, 1.75rem);
}

.page-products .section {
  padding: clamp(2.75rem, 6vw, 5.5rem) 0;
}

/* ---------- hero ---------- */

.page-products .prod-hero {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(53, 242, 208, 0.12), transparent 62%),
    radial-gradient(90% 70% at 4% 96%, rgba(255, 107, 74, 0.1), transparent 65%);
}

.page-products .prod-hero .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-products .prod-hero__title {
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.7rem, 5.2vw + 0.4rem, 3.4rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 20ch;
  margin: 0.5rem 0 1.1rem;
}

.page-products .prod-hero__lede {
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(242, 247, 248, 0.82);
  margin: 0 0 1.6rem;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.page-products .prod-hero__strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--prod-hair);
  border: 1px solid var(--prod-hair);
}

.page-products .prod-hero__cell {
  background: var(--abyss);
  padding: 1rem 1.1rem 1.15rem;
}

.page-products .prod-hero__cell dt {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
  margin: 0 0 0.35rem;
}

.page-products .prod-hero__cell dd {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- overview modules ---------- */

.page-products .prod-mods {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  gap: var(--prod-gap);
}

.page-products .prod-mod {
  position: relative;
  background: linear-gradient(160deg, rgba(16, 85, 107, 0.42), rgba(4, 20, 31, 0.9));
  border: 1px solid var(--prod-hair);
  padding: 1.5rem 1.4rem 1.6rem;
  transition: transform 0.4s var(--ease), border-color 0.3s var(--ease);
}

.page-products .prod-mod::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 70%);
  opacity: 0.7;
}

.page-products .prod-mod--nw {
  clip-path: polygon(24px 0, 100% 0, 100% 100%, 0 100%, 0 24px);
}

.page-products .prod-mod--ne {
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-products .prod-mod--se {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-products .prod-mod--sw {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-products .prod-mod:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 242, 208, 0.45);
}

.page-products .prod-mod__num {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--steel);
  margin: 0 0 0.9rem;
}

.page-products .prod-mod__title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 0.7rem;
}

.page-products .prod-mod__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-products .prod-mod__title a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .prod-mod__desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(242, 247, 248, 0.78);
  margin: 0 0 1.1rem;
}

.page-products .prod-mod__tag {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
  margin: 0;
}

/* ---------- 小屏版 ---------- */

.page-products .prod-mobile__grid {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-mobile__fig {
  margin: 0;
  border: 1px solid var(--prod-hair);
  background: var(--deep);
}

.page-products .prod-mobile__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 9 / 14;
}

.page-products .prod-mobile__body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-products .prod-mobile__h {
  font-size: clamp(1.1rem, 1.6vw + 0.7rem, 1.45rem);
  font-weight: 800;
  color: var(--paper);
  margin: 0;
}

.page-products .prod-layers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--prod-hair);
  border: 1px solid var(--prod-hair);
}

.page-products .prod-layer {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(10, 42, 60, 0.6);
  padding: 1rem 1.1rem;
}

.page-products .prod-layer__k {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 0.15rem;
}

.page-products .prod-layer__t {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 0.35rem;
}

.page-products .prod-layer__d {
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(242, 247, 248, 0.75);
  margin: 0;
}

.page-products .prod-mobile__note {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--steel);
  border-left: 2px solid var(--cyan);
  padding-left: 0.9rem;
  margin: 0;
}

/* ---------- 资料库 ---------- */

.page-products .prod-library__grid {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-library__body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-products .prod-tabs {
  border: 1px solid rgba(159, 243, 226, 0.24);
  background: rgba(4, 20, 31, 0.45);
}

.page-products .prod-tabbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: rgba(159, 243, 226, 0.18);
}

.page-products .prod-tabbar .tab {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 0.75rem 1rem;
  background: rgba(10, 42, 60, 0.9);
  border: 0;
  color: rgba(242, 247, 248, 0.72);
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .prod-tabbar .tab[aria-selected="true"] {
  background: rgba(53, 242, 208, 0.12);
  color: var(--cyan);
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.page-products .prod-tabbar .tab:hover {
  color: var(--cyan-soft);
}

.page-products .prod-tabs .tabpanel {
  padding: 1.25rem 1.15rem 1.35rem;
}

.page-products .prod-tab__h {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--paper);
  margin: 0 0 0.6rem;
}

.page-products .prod-tab__lead {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(242, 247, 248, 0.82);
  margin: 0 0 0.85rem;
}

.page-products .prod-tab__meta {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
  margin: 0;
}

.page-products .prod-library__more {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(242, 247, 248, 0.78);
  margin: 0;
}

.page-products .prod-library__fig {
  margin: 0;
  border: 1px solid rgba(159, 243, 226, 0.2);
  background: rgba(4, 20, 31, 0.5);
}

.page-products .prod-library__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* ---------- 复盘 ---------- */

.page-products .prod-axis {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0 0.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  position: relative;
}

.page-products .prod-axis::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 9px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--coral) 0 6px, transparent 6px 14px);
}

.page-products .prod-axis__node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-top: 0;
}

.page-products .prod-axis__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.18);
  margin: 3px 0 0.5rem;
}

.page-products .prod-axis__time {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--coral-soft);
}

.page-products .prod-axis__name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--paper);
}

.page-products .prod-replay__fig {
  margin: 1.75rem 0 1.5rem;
  border: 1px solid rgba(255, 213, 201, 0.22);
  background: rgba(4, 20, 31, 0.45);
}

.page-products .prod-replay__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-products .prod-tabs--replay {
  border-color: rgba(255, 213, 201, 0.28);
}

.page-products .prod-tabs--replay .prod-tabbar {
  background: rgba(255, 213, 201, 0.2);
}

.page-products .prod-tabs--replay .prod-tabbar .tab[aria-selected="true"] {
  background: rgba(255, 107, 74, 0.16);
  color: var(--coral-soft);
  box-shadow: inset 0 -2px 0 var(--coral);
}

.page-products .prod-tabs--replay .prod-tabbar .tab:hover {
  color: var(--coral-soft);
}

/* ---------- 工作台 ---------- */

.page-products .prod-workbench__grid {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-workbench__body {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.page-products .prod-workbench__h {
  font-size: clamp(1.1rem, 1.4vw + 0.7rem, 1.4rem);
  font-weight: 800;
  color: var(--paper);
  margin: 0;
}

.page-products .prod-workbench__body p {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(242, 247, 248, 0.78);
  margin: 0;
}

.page-products .prod-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-products .prod-checks li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(242, 247, 248, 0.78);
}

.page-products .prod-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

.page-products .prod-workbench__fig {
  margin: 0;
  border: 1px solid var(--prod-hair);
  background: rgba(4, 20, 31, 0.4);
}

.page-products .prod-workbench__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-products .prod-wb-stats {
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
  gap: 1px;
  background: var(--prod-hair);
  border: 1px solid var(--prod-hair);
}

.page-products .prod-wb-stats .stat {
  background: var(--abyss);
  padding: 1.1rem 1.1rem 1.2rem;
}

.page-products .prod-wb-stats .stat__num {
  font-family: var(--mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cyan);
  margin: 0 0 0.35rem;
}

.page-products .prod-wb-stats .stat__label {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 版本演进 ---------- */

.page-products .prod-versions {
  color: var(--ink);
}

.page-products .prod-versions .chapter__title,
.page-products .prod-versions .chapter__lede {
  color: var(--ink);
}

.page-products .prod-versions .chapter__index {
  color: var(--teal);
}

.page-products .prod-versions .chapter__label {
  color: var(--teal);
}

.page-products .prod-versions__grid {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-acc {
  border: 1px solid rgba(11, 27, 36, 0.14);
  background: rgba(255, 255, 255, 0.6);
}

.page-products .prod-acc .acc__item + .acc__item {
  border-top: 1px solid rgba(11, 27, 36, 0.1);
}

.page-products .prod-acc .acc__summary {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

.page-products .prod-acc .acc__summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-acc .acc__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  color: var(--teal);
  font-size: 1rem;
}

.page-products .prod-acc .acc__item[open] .acc__summary::after {
  content: "\2013";
}

.page-products .prod-acc .acc__year {
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.page-products .prod-acc .acc__name {
  font-weight: 700;
}

.page-products .prod-acc .acc__body {
  padding: 0 1.1rem 1.15rem 2.85rem;
  font-size: 0.875rem;
  line-height: 1.85;
  color: rgba(11, 27, 36, 0.78);
}

.page-products .prod-acc .acc__body p {
  margin: 0;
}

.page-products .prod-versions__fig {
  margin: 0;
  border: 1px solid rgba(11, 27, 36, 0.12);
  background: rgba(255, 255, 255, 0.5);
}

.page-products .prod-versions__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 14 / 9;
}

.page-products .prod-versions__tail {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(11, 27, 36, 0.78);
  border-left: 2px solid var(--coral);
  padding-left: 0.9rem;
  max-width: 58ch;
}

/* ---------- 费用 ---------- */

.page-products .prod-tablewrap {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid rgba(11, 27, 36, 0.14);
}

.page-products .prod-price {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.875rem;
  background: rgba(255, 255, 255, 0.7);
}

.page-products .prod-price__cap {
  text-align: left;
  padding: 0.85rem 1rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--teal);
  border-bottom: 1px solid rgba(11, 27, 36, 0.12);
}

.page-products .prod-price thead th {
  text-align: left;
  padding: 0.8rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(11, 27, 36, 0.62);
  border-bottom: 1px solid rgba(11, 27, 36, 0.14);
  white-space: nowrap;
}

.page-products .prod-price tbody th,
.page-products .prod-price tbody td {
  text-align: left;
  padding: 1rem;
  vertical-align: top;
  line-height: 1.7;
  color: rgba(11, 27, 36, 0.82);
  border-bottom: 1px solid rgba(11, 27, 36, 0.1);
}

.page-products .prod-price tbody th {
  font-weight: 800;
  font-size: 0.9375rem;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .prod-price__num {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .prod-price tbody tr {
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-products .prod-price tbody tr:hover {
  background: rgba(53, 242, 208, 0.1);
  box-shadow: inset 3px 0 0 var(--coral);
}

.page-products .prod-price tbody td .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.page-products .visually-hidden-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- 起步 ---------- */

.page-products .prod-start {
  margin-top: clamp(2rem, 4vw, 3rem);
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-start__h {
  font-size: clamp(1.1rem, 1.4vw + 0.7rem, 1.4rem);
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 1.15rem;
}

.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-products .prod-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  border-top: 1px solid rgba(11, 27, 36, 0.14);
  padding-top: 1rem;
}

.page-products .prod-step__k {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--coral);
  padding-top: 0.1rem;
}

.page-products .prod-step p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(11, 27, 36, 0.8);
}

.page-products .prod-start__card {
  background: var(--deep);
  border: 1px solid var(--prod-hair);
  padding: 1.5rem 1.4rem 1.6rem;
  color: var(--paper);
}

.page-products .prod-start__cta {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 0.6rem;
}

.page-products .prod-start__cta-h {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--paper);
  margin: 0 0 0.85rem;
}

.page-products .prod-start__card p {
  font-size: 0.875rem;
  line-height: 1.85;
  color: rgba(242, 247, 248, 0.8);
  margin: 0 0 0.9rem;
}

.page-products .prod-start__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

/* ---------- 响应式 ---------- */

@media (max-width: 899px) {
  .page-products .prod-hero__title {
    max-width: none;
  }

  .page-products .prod-mobile__fig img,
  .page-products .prod-library__fig img,
  .page-products .prod-replay__fig img,
  .page-products .prod-workbench__fig img,
  .page-products .prod-versions__fig img {
    aspect-ratio: auto;
  }

  .page-products .prod-axis {
    grid-template-columns: 1fr;
    gap: 1.1rem;
    padding-left: 0.5rem;
  }

  .page-products .prod-axis::before {
    left: 10px;
    right: auto;
    top: 6px;
    bottom: 6px;
    width: 1px;
    height: auto;
    background: repeating-linear-gradient(180deg, var(--coral) 0 6px, transparent 6px 14px);
  }

  .page-products .prod-axis__node {
    padding-left: 1.4rem;
  }

  .page-products .prod-axis__dot {
    position: absolute;
    left: 0;
    top: 2px;
    margin: 0;
  }

  .page-products .prod-acc .acc__summary {
    flex-wrap: wrap;
  }

  .page-products .prod-acc .acc__body {
    padding-left: 1.1rem;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .page-products .prod-hero__strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-price {
    min-width: 700px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-mod {
    padding: 1.75rem 1.6rem 1.85rem;
  }

  .page-products .prod-mod__title {
    font-size: 1.25rem;
  }

  .page-products .prod-tabs .tabpanel {
    padding: 1.6rem 1.6rem 1.75rem;
  }

  .page-products .prod-acc .acc__summary {
    padding: 1.15rem 1.4rem;
  }

  .page-products .prod-acc .acc__body {
    padding: 0 1.4rem 1.35rem 3.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-mod,
  .page-products .prod-price tbody tr,
  .page-products .prod-tabbar .tab {
    transition: none;
  }

  .page-products .prod-mod:hover {
    transform: none;
  }
}