.page-products {
  --prod-gap: clamp(20px, 3.4vw, 44px);
  --prod-row-even: #EFE4CE;
  --prod-rule: 1px solid var(--sandstone-deep);
  background: var(--sandstone);
  color: var(--space);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products .breadcrumbs {
  padding-top: 22px;
  font-size: var(--fs-12);
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--space);
  letter-spacing: 0.04em;
}

.page-products .breadcrumb-item::after {
  content: "/";
  color: var(--sandstone-deep);
}

.page-products .breadcrumb-item:last-child::after {
  content: none;
}

.page-products .breadcrumb-link {
  color: var(--space);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--danxia);
  border-bottom-color: var(--danxia);
}

.page-products .breadcrumb-current {
  color: var(--danxia);
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  padding: clamp(26px, 4.6vw, 56px) 0 clamp(32px, 5.4vw, 72px);
}

.page-products .prod-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

.page-products .prod-hero-copy .display-title {
  margin: 12px 0 0;
  max-width: 13em;
  color: var(--ink);
}

.page-products .prod-lede {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 42em;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: var(--space);
}

.page-products .prod-hero-actions,
.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .prod-hero-media {
  margin: 0;
  border: 1px solid var(--ink);
  background: var(--space);
  box-shadow: var(--shadow-paper);
}

.page-products .prod-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .prod-hero-media figcaption {
  padding: 10px 14px;
  border-top: 1px solid rgba(224, 169, 74, 0.4);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--sand-light);
}

/* ---------- 页内索引 ---------- */

.page-products .prod-jump {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: 1px solid var(--ink);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .prod-jump a {
  position: relative;
  flex: 0 0 auto;
  padding: 12px 14px 14px;
  font-size: var(--fs-13);
  letter-spacing: 0.1em;
  color: var(--space);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.page-products .prod-jump a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 0;
  height: 3px;
  background: var(--danxia);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--dur) var(--ease);
}

.page-products .prod-jump a:hover,
.page-products .prod-jump a:focus-visible {
  color: var(--danxia);
}

.page-products .prod-jump a:hover::after,
.page-products .prod-jump a:focus-visible::after,
.page-products .prod-jump a.is-active::after {
  transform: scaleX(1);
}

/* ---------- 通用区块 ---------- */

.page-products .prod-section {
  padding: clamp(46px, 7vw, 96px) 0;
}

.page-products .prod-section + .prod-section:not(.prod-section--dark) {
  border-top: var(--prod-rule);
}

.page-products .prod-sec-head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-products .prod-sec-head .section-title {
  margin: 10px 0 0;
  color: var(--ink);
}

.page-products .prod-sec-head .prose {
  margin: 16px 0 0;
  color: var(--space);
}

.page-products .prod-note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 68ch;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--space);
  border-left: 3px solid var(--sand);
  padding-left: 16px;
}

/* ---------- 方案对照表 ---------- */

.page-products .prod-table-shell {
  overflow-x: auto;
  border: 1px solid var(--ink);
  background: var(--sandstone);
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-plans-table {
  width: 100%;
  min-width: 740px;
  border-collapse: collapse;
  font-size: var(--fs-15);
}

.page-products .prod-plans-table thead th {
  padding: 14px 16px;
  background: var(--space);
  color: var(--sand-light);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  font-weight: 400;
  text-align: left;
  border-bottom: 1px solid var(--ink);
}

.page-products .prod-plans-table tbody tr:nth-child(odd) {
  background: var(--sandstone);
}

.page-products .prod-plans-table tbody tr:nth-child(even) {
  background: var(--prod-row-even);
}

.page-products .prod-plans-table tbody th,
.page-products .prod-plans-table tbody td {
  padding: 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
  color: var(--space);
  border-bottom: var(--prod-rule);
}

.page-products .prod-plans-table tbody th {
  font-weight: 600;
}

.page-products .prod-plans-table tbody tr:last-child th,
.page-products .prod-plans-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .prod-plans-table tbody th.col-fixed {
  position: sticky;
  left: 0;
  z-index: 2;
  border-left: 3px solid transparent;
  transition: border-color 80ms var(--ease);
}

.page-products .prod-plans-table thead th.col-fixed {
  position: sticky;
  left: 0;
  z-index: 3;
}

.page-products .prod-plans-table tbody tr:nth-child(odd) th.col-fixed {
  background: var(--sandstone);
  box-shadow: 1px 0 0 var(--ink);
}

.page-products .prod-plans-table tbody tr:nth-child(even) th.col-fixed {
  background: var(--prod-row-even);
  box-shadow: 1px 0 0 var(--ink);
}

.page-products .prod-plans-table tbody tr:hover th.col-fixed {
  border-left-color: var(--cyan);
}

.page-products .prod-plans-table tbody tr:hover td {
  background: rgba(53, 224, 176, 0.08);
}

/* ---------- 字段分组 ---------- */

.page-products .prod-field-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-products .prod-field-chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--sandstone-deep);
  background: var(--sand-light);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--space);
}

.page-products .prod-fields {
  border-top: 1px solid var(--ink);
}

.page-products .prod-field-group {
  border-bottom: var(--prod-rule);
}

.page-products .prod-field-group summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

.page-products .prod-field-group summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-field-group summary:hover {
  background: rgba(224, 169, 74, 0.14);
}

.page-products .prod-field-idx {
  flex: 0 0 auto;
  min-width: 26px;
  font-size: var(--fs-13);
  color: var(--danxia);
}

.page-products .prod-field-name {
  font-size: var(--fs-18);
  color: var(--ink);
}

.page-products .prod-field-count {
  margin-left: auto;
  font-size: var(--fs-12);
  color: var(--space);
  opacity: 0.7;
}

.page-products .prod-field-group summary::after {
  content: "＋";
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-15);
  color: var(--danxia);
}

.page-products .prod-field-group[open] summary::after {
  content: "−";
}

.page-products .prod-field-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px 18px;
  margin: 0 0 22px;
  padding: 0 0 0 40px;
  list-style: none;
}

.page-products .prod-field-list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--space);
}

.page-products .prod-field-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--sand);
}

/* ---------- 回看时间轴（深色区） ---------- */

.page-products .prod-section--dark {
  background: var(--space);
  color: var(--sandstone);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-products .prod-section--dark .eyebrow {
  color: var(--sand);
}

.page-products .prod-section--dark .section-title {
  color: #FFF6E6;
}

.page-products .prod-section--dark .prose {
  color: var(--sandstone);
}

.page-products .prod-tl-media {
  margin: 0 0 clamp(24px, 3.6vw, 40px);
  border-top: 1px solid var(--space-lift);
  border-bottom: 1px solid var(--space-lift);
}

.page-products .prod-tl-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .prod-tl-media figcaption {
  padding: 10px var(--gutter);
  font-size: var(--fs-12);
  color: var(--sand);
  letter-spacing: 0.04em;
}

.page-products .prod-tl {
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-tl-track {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 4px 0 8px;
  list-style: none;
  min-width: max-content;
}

.page-products .prod-tl-node {
  flex: 0 0 clamp(210px, 58vw, 260px);
  scroll-snap-align: start;
  padding: 18px 18px 20px;
  border: 1px solid rgba(224, 169, 74, 0.45);
  background: var(--space-lift);
}

.page-products .prod-tl-node::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 14px;
  background: var(--danxia);
  border: 1px solid var(--sand);
  transform: rotate(45deg);
}

.page-products .prod-tl-round {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--sand);
}

.page-products .prod-tl-title {
  margin: 10px 0 0;
  font-size: var(--fs-18);
  line-height: 1.5;
  color: #FFF6E6;
}

.page-products .prod-tl-meta {
  margin: 12px 0 0;
  font-size: var(--fs-12);
  color: var(--cyan);
}

.page-products .prod-note--dark {
  color: var(--sandstone);
  border-left-color: var(--danxia);
}

/* ---------- 赛程快速访问 ---------- */

.page-products .prod-access-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

.page-products .prod-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.page-products .prod-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: var(--prod-rule);
}

.page-products .prod-step-num {
  font-size: var(--fs-15);
  color: var(--danxia);
  letter-spacing: 0.06em;
}

.page-products .prod-steps h3 {
  margin: 0 0 8px;
  font-size: var(--fs-18);
  line-height: 1.5;
  color: var(--ink);
}

.page-products .prod-steps p {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--space);
}

.page-products .prod-access-media {
  margin: 0;
  border: 1px solid var(--ink);
  background: var(--sand-light);
  box-shadow: var(--shadow-paper);
  align-self: start;
}

.page-products .prod-access-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 合作 ---------- */

.page-products .prod-coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 26px);
}

.page-products .prod-coop-card {
  border: 1px solid var(--ink);
  background: var(--sand-light);
  padding: 24px 22px 26px;
  box-shadow: var(--shadow-paper);
}

.page-products .prod-coop-title {
  margin: 14px 0 0;
  font-size: var(--fs-24);
  line-height: 1.35;
  color: var(--ink);
}

.page-products .prod-coop-card p {
  margin: 12px 0 0;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--space);
}

.page-products .prod-coop-meta {
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--danxia);
}

.page-products .prod-coop-media {
  margin: clamp(24px, 3.6vw, 42px) 0 0;
  border: 1px solid var(--ink);
  background: var(--space);
}

.page-products .prod-coop-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .prod-coop-media figcaption {
  padding: 10px 14px;
  border-top: 1px solid rgba(224, 169, 74, 0.4);
  font-size: var(--fs-12);
  color: var(--sand-light);
}

.page-products .prod-coop-ready {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--ink);
}

.page-products .prod-coop-sub {
  margin: 0 0 18px;
  font-size: var(--fs-24);
  line-height: 1.4;
  color: var(--ink);
}

.page-products .prod-ready-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-ready-list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--space);
}

.page-products .prod-ready-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 10px;
  background: var(--danxia);
  transform: rotate(45deg);
}

/* ---------- 版本演进 ---------- */

.page-products .prod-version-media {
  margin: 0 0 clamp(28px, 4vw, 46px);
  border: 1px solid var(--ink);
  background: var(--sand-light);
}

.page-products .prod-version-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .prod-versions {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .prod-version {
  position: relative;
  padding: 20px 0 22px;
  border-bottom: var(--prod-rule);
}

.page-products .prod-version:last-child {
  border-bottom: 0;
}

.page-products .prod-version-num {
  margin: 0;
  font-size: var(--fs-34);
  line-height: 1;
  color: var(--danxia);
  letter-spacing: 0.02em;
}

.page-products .prod-version-title {
  margin: 10px 0 8px;
  font-size: var(--fs-18);
  line-height: 1.5;
  color: var(--ink);
}

.page-products .prod-version p:last-child {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--space);
}

/* ---------- 底部行动区 ---------- */

.page-products .prod-cta {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--danxia-deep);
  color: #FFF3E2;
}

.page-products .prod-cta-inner {
  max-width: 62ch;
}

.page-products .prod-cta-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.2vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #FFF3E2;
}

.page-products .prod-cta-text {
  margin: 16px 0 0;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: #F6E3CE;
}

.page-products .prod-cta .btn--primary {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink);
}

.page-products .prod-cta .btn--ghost {
  border-color: var(--sand);
  color: var(--sand);
  background: transparent;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .prod-field-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .prod-hero-copy .display-title {
    max-width: 11em;
  }

  .page-products .prod-access-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

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

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

  .page-products .prod-versions {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 28px;
    padding-top: 34px;
  }

  .page-products .prod-versions::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--danxia) 0%, var(--danxia) 34%, var(--sand) 100%);
  }

  .page-products .prod-version {
    padding: 0 0 8px;
    border-bottom: 0;
  }

  .page-products .prod-version::before {
    content: "";
    position: absolute;
    top: -9px;
    left: 0;
    width: 12px;
    height: 12px;
    background: var(--danxia);
    border: 1px solid var(--ink);
    transform: rotate(45deg);
  }
}

@media (min-width: 1200px) {
  .page-products .prod-plans-table {
    min-width: 100%;
  }

  .page-products .prod-tl-node {
    flex-basis: 268px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-jump a::after,
  .page-products .prod-plans-table tbody th.col-fixed {
    transition: none;
  }
}