.page-products {
  --product-sidebar-w: 236px;
  --product-gap: 2rem;
  background: var(--ky-light);
}

.page-products .product-page-header {
  background: linear-gradient(135deg, #121716 0%, #1B3A2C 55%, #2A1F1A 100%);
  color: #FFFFFF;
  padding: 3rem 0 2.75rem;
  position: relative;
  overflow: hidden;
}

.page-products .product-page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 42%;
  height: 6px;
  background: var(--ky-grad-hot);
  transform: skewX(-30deg);
  transform-origin: bottom right;
}

.page-products .product-page-header::before {
  content: '';
  position: absolute;
  top: -40px;
  left: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(216, 43, 43, 0.18);
  filter: blur(60px);
  pointer-events: none;
}

.page-products .product-page-header .breadcrumb {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 1.5rem;
}

.page-products .product-page-header .breadcrumb a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
}

.page-products .product-page-header .breadcrumb a:hover {
  color: #E8ECEA;
}

.page-products .product-page-header .breadcrumb-link-sep {
  margin: 0 0.5rem;
  color: var(--ky-gold);
}

.page-products .product-header-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: end;
}

@media (min-width: 900px) {
  .page-products .product-header-grid {
    grid-template-columns: 1fr 300px;
  }
}

.page-products .product-header-copy .page-title {
  font-family: var(--ky-font-display);
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

@media (min-width: 768px) {
  .page-products .product-header-copy .page-title {
    font-size: 2.75rem;
  }
}

.page-products .product-lede {
  font-family: var(--ky-font-display);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--ky-gold);
  margin: 0 0 0.75rem;
}

@media (min-width: 768px) {
  .page-products .product-lede {
    font-size: 1.5rem;
  }
}

.page-products .product-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
  margin: 0;
  max-width: 620px;
}

.page-products .product-header-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.page-products .header-meta-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--ky-radius-sm);
  padding: 1rem 0.85rem;
  text-align: center;
  backdrop-filter: blur(12px);
}

.page-products .header-meta-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.35rem;
}

.page-products .header-meta-value {
  font-family: var(--ky-font-data);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ky-gold);
}

.page-products .product-dashboard {
  padding: 2.5rem 0 4rem;
}

@media (min-width: 992px) {
  .page-products .product-dashboard {
    display: flex;
    gap: var(--product-gap);
    align-items: flex-start;
  }
}

.page-products .product-sidebar {
  background: #FFFFFF;
  border-radius: var(--ky-radius);
  box-shadow: var(--ky-shadow);
  padding: 0.75rem;
  margin-bottom: 1.75rem;
  overflow-x: auto;
}

@media (min-width: 992px) {
  .page-products .product-sidebar {
    flex: 0 0 var(--product-sidebar-w);
    position: sticky;
    top: calc(var(--ky-h) + 1.25rem);
    padding: 1.5rem 1rem;
    margin-bottom: 0;
    overflow: visible;
  }
}

.page-products .sidebar-title {
  display: none;
  font-family: var(--ky-font-display);
  font-size: 1.05rem;
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--ky-gray-light);
  color: var(--ky-dark);
}

@media (min-width: 992px) {
  .page-products .sidebar-title {
    display: block;
  }
}

.page-products .sidebar-list {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

@media (min-width: 992px) {
  .page-products .sidebar-list {
    flex-direction: column;
    gap: 0.35rem;
    white-space: normal;
  }
}

.page-products .sidebar-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: var(--ky-gray-light);
  color: var(--ky-dark);
  font-size: 0.85rem;
  text-decoration: none;
  transition: background var(--ky-transition), color var(--ky-transition);
}

@media (min-width: 992px) {
  .page-products .sidebar-list a {
    display: flex;
    padding: 0.65rem 0.8rem;
    border-radius: var(--ky-radius-sm);
    background: transparent;
    font-size: 0.92rem;
  }
}

.page-products .sidebar-list a:hover,
.page-products .sidebar-list a:focus {
  background: var(--ky-red);
  color: #FFFFFF;
}

.page-products .sidebar-num {
  font-family: var(--ky-font-data);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ky-gold);
}

@media (min-width: 992px) {
  .page-products .sidebar-num {
    font-size: 0.82rem;
  }
}

.page-products .sidebar-note {
  display: none;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ky-gray);
  margin: 1.25rem 0 0;
  padding: 0.85rem 0.75rem 0.2rem;
  border-top: 1px solid var(--ky-gray-light);
}

@media (min-width: 992px) {
  .page-products .sidebar-note {
    display: block;
  }
}

.page-products .product-content {
  flex: 1;
  min-width: 0;
}

.page-products .product-section {
  background: #FFFFFF;
  border-radius: var(--ky-radius);
  box-shadow: var(--ky-shadow);
  padding: 1.75rem 1.25rem;
  margin-bottom: 1.75rem;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .page-products .product-section {
    padding: 2.5rem 2.25rem;
    margin-bottom: 2.25rem;
  }
}

.page-products .section-heading {
  margin-bottom: 1.5rem;
}

.page-products .section-heading .section-num {
  display: inline-block;
  font-family: var(--ky-font-data);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ky-red);
  letter-spacing: 0.1em;
  margin-bottom: 0.35rem;
}

.page-products .section-heading h2 {
  font-family: var(--ky-font-display);
  font-size: 1.6rem;
  line-height: 1.25;
  color: var(--ky-dark);
  margin: 0 0 0.35rem;
}

@media (min-width: 768px) {
  .page-products .section-heading h2 {
    font-size: 1.9rem;
  }
}

.page-products .section-heading .section-sub {
  font-size: 0.95rem;
  color: var(--ky-gray);
  margin: 0;
}

.page-products .section-lead {
  font-size: 1rem;
  line-height: 1.75;
  color: #2A2E2B;
  margin: 0 0 1.25rem;
}

/* 01 脱机版 */
.page-products .offline-section {
  border-top: 4px solid var(--ky-red);
}

.page-products .offline-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 1024px) {
  .page-products .offline-layout {
    grid-template-columns: 1fr 0.92fr;
    align-items: start;
  }
}

.page-products .feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

@media (min-width: 640px) {
  .page-products .feature-list {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products .feature-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: #2A2E2B;
}

.page-products .feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--ky-grad-hot);
  transform: rotate(45deg);
  border-radius: 2px;
}

.page-products .arch-wrap {
  background: linear-gradient(160deg, #F7F9F8 0%, #EDF2F0 100%);
  border: 1px solid var(--ky-gray-light);
  border-radius: var(--ky-radius);
  padding: 1.25rem 1rem 1.5rem;
}

.page-products .arch-title {
  font-family: var(--ky-font-display);
  font-size: 1rem;
  margin: 0 0 0.75rem;
  color: var(--ky-dark);
}

.page-products .arch-svg {
  width: 100%;
  height: auto;
  max-width: 640px;
  display: block;
  margin: 0 auto 0.75rem;
}

@media (prefers-reduced-motion: no-preference) {
  .page-products .arch-svg rect,
  .page-products .arch-svg line,
  .page-products .arch-svg polygon {
    transition: opacity 0.2s ease;
  }
  .page-products .arch-svg:hover rect {
    opacity: 0.92;
  }
}

.page-products .arch-explainer {
  display: grid;
  gap: 0.5rem;
}

.page-products .arch-explainer details {
  background: #FFFFFF;
  border-radius: var(--ky-radius-sm);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.page-products .arch-explainer summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ky-dark);
  list-style: none;
}

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

.page-products .arch-explainer summary::after {
  content: '+';
  margin-left: auto;
  font-family: var(--ky-font-data);
  font-size: 1.1rem;
  color: var(--ky-green);
  font-weight: 700;
  transition: transform 0.25s ease;
}

.page-products .arch-explainer details[open] summary::after {
  transform: rotate(45deg);
}

.page-products .arch-explainer .arch-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ky-grad-mixed);
  color: #FFFFFF;
  font-family: var(--ky-font-data);
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.page-products .arch-explainer p {
  margin: 0;
  padding: 0 0.9rem 0.9rem 2.1rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--ky-gray);
}

.page-products .offline-figure {
  margin: 0;
}

.page-products .product-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--ky-radius-sm);
  display: block;
}

@media (min-width: 1024px) {
  .page-products .offline-figure .product-img {
    box-shadow: var(--ky-shadow-lg);
  }
}

.page-products .offline-figure figcaption {
  font-size: 0.8rem;
  color: var(--ky-gray);
  margin-top: 0.5rem;
  text-align: center;
}

/* 02 球队订阅 */
.page-products .subscription-section {
  border-top: 4px solid var(--ky-green);
}

.page-products .subscription-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 1024px) {
  .page-products .subscription-layout {
    grid-template-columns: 0.72fr 1fr;
    align-items: center;
  }
}

.page-products .subscription-figure {
  margin: 0;
  order: -1;
}

@media (min-width: 1024px) {
  .page-products .subscription-figure {
    order: 0;
  }
}

.page-products .subscription-figure .product-img {
  max-width: 400px;
  margin: 0 auto;
  box-shadow: var(--ky-shadow-lg);
}

.page-products .subscription-figure figcaption {
  font-size: 0.8rem;
  color: var(--ky-gray);
  margin-top: 0.5rem;
  text-align: center;
}

.page-products .sub-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .page-products .sub-feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products .sub-feature-card {
  background: #F7F9F8;
  border-radius: var(--ky-radius-sm);
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--ky-green);
}

.page-products .sub-feature-card h3 {
  font-family: var(--ky-font-display);
  font-size: 1rem;
  margin: 0 0 0.35rem;
  color: var(--ky-dark);
}

.page-products .sub-feature-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ky-gray);
  margin: 0;
}

/* 03 数据复盘中心 */
.page-products .replay-section {
  border-top: 4px solid var(--ky-gold);
}

.page-products .replay-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 1024px) {
  .page-products .replay-layout {
    grid-template-columns: 1.4fr 0.8fr;
    align-items: start;
  }
}

.page-products .chart-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .page-products .chart-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products .chart-card {
  background: #F7F9F8;
  border-radius: var(--ky-radius-sm);
  padding: 1rem 1.1rem;
  border-bottom: 3px solid var(--ky-gray-light);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .page-products .chart-card:hover {
    border-color: var(--ky-red);
    transform: translateY(-2px);
  }
}

.page-products .chart-card h3 {
  font-family: var(--ky-font-display);
  font-size: 0.95rem;
  margin: 0 0 0.3rem;
  color: var(--ky-dark);
}

.page-products .chart-card p {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--ky-gray);
  margin: 0;
}

.page-products .export-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-products .replay-aside {
  display: grid;
  gap: 1.5rem;
}

.page-products .replay-stat-block {
  background: var(--ky-dark);
  border-radius: var(--ky-radius);
  padding: 1.5rem 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

@media (min-width: 640px) and (max-width: 1023px) {
  .page-products .replay-stat-block {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products .replay-stat-item {
  text-align: center;
}

.page-products .replay-stat-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.3rem;
}

.page-products .replay-stat-value {
  font-family: var(--ky-font-data);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ky-gold);
}

.page-products .stat-suffix {
  font-size: 0.9rem;
  margin-left: 2px;
}

.page-products .api-card {
  background: #FFFFFF;
  border: 1px solid var(--ky-gray-light);
  border-radius: var(--ky-radius);
  padding: 1.25rem 1.1rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.page-products .api-card h3 {
  font-family: var(--ky-font-display);
  font-size: 1rem;
  margin: 0 0 0.4rem;
  color: var(--ky-dark);
}

.page-products .api-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ky-gray);
  margin: 0 0 1rem;
}

.page-products .api-img {
  border-radius: var(--ky-radius-sm);
  opacity: 0.88;
}

/* 定制方案 */
.page-products .custom-section {
  background: linear-gradient(140deg, #121716 0%, #1E2A25 100%);
}

.page-products .custom-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}

@media (min-width: 900px) {
  .page-products .custom-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products .custom-copy {
  color: #FFFFFF;
}

.page-products .custom-tagline {
  font-family: var(--ky-font-data);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ky-gold);
  margin-bottom: 0.5rem;
  display: block;
}

.page-products .custom-copy h2 {
  font-family: var(--ky-font-display);
  font-size: 1.6rem;
  margin: 0 0 0.75rem;
  color: #FFFFFF;
}

.page-products .custom-copy p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  margin: 0 0 1.1rem;
}

.page-products .custom-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .custom-tag-list .tag {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #F7F9F8;
}

.page-products .custom-figure {
  margin: 0;
}

.page-products .custom-figure .product-img {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.page-products .custom-figure figcaption {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.5rem;
  text-align: center;
}

/* 04 版本与价格 */
.page-products .version-section {
  border-top: 4px solid var(--ky-gold);
}

.page-products .version-table-wrap {
  position: relative;
}

.page-products .version-head-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--ky-radius-sm);
  margin-bottom: 1.5rem;
  object-fit: cover;
  max-height: 200px;
}

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

@media (min-width: 768px) {
  .page-products .version-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    align-items: stretch;
    position: relative;
  }
}

@media (min-width: 768px) {
  .page-products .version-card {
    border-radius: var(--ky-radius);
    padding: 1.75rem 1.5rem;
    border: 2px solid var(--ky-gray-light);
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }

  .page-products .version-card + .version-card {
    margin-left: -1px;
  }

  .page-products .version-card:hover {
    z-index: 2;
    transform: translateY(-4px);
    box-shadow: var(--ky-shadow-lg);
  }
}

.page-products .version-card {
  background: #FFFFFF;
  border-radius: var(--ky-radius);
  padding: 1.5rem 1.25rem;
  position: relative;
}

@media (min-width: 768px) {
  .page-products .version-free {
    background: #F7F9F8;
    background-image: linear-gradient(160deg, #F7F9F8 0%, #EDF2F0 100%);
  }
}

.page-products .version-card-head {
  margin-bottom: 1.1rem;
  padding-bottom: 0.85rem;
  border-bottom: 2px solid var(--ky-gray-light);
}

.page-products .version-name {
  display: block;
  font-family: var(--ky-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ky-dark);
  margin-bottom: 0.3rem;
}

.page-products .version-price {
  font-family: var(--ky-font-data);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--ky-dark);
}

.page-products .version-price small {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--ky-gray);
  margin-left: 2px;
}

.page-products .version-pro {
  background: #FFFFFF;
}

@media (min-width: 768px) {
  .page-products .version-pro {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.09);
    z-index: 1;
    border: 2px solid var(--ky-gold);
    position: relative;
    flex: 1.05;
  }
}

.page-products .recommend-tag {
  position: absolute;
  top: 18px;
  right: 22px;
  background: var(--ky-grad-hot);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(217, 43, 43, 0.3);
}

.page-products .version-pro .version-card-head {
  border-bottom-color: #EFE5D2;
}

.page-products .version-pro .version-price {
  color: var(--ky-red);
}

.page-products .version-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: grid;
  gap: 0.55rem;
}

.page-products .version-features li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: #2A2E2B;
}

.page-products .version-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--ky-font-data);
  font-size: 0.85rem;
  color: var(--ky-green);
  font-weight: 700;
}

.page-products .version-pro .version-features li::before {
  color: var(--ky-red);
}

.page-products .version-card .btn {
  width: 100%;
  justify-content: center;
}

.page-products .price-note {
  font-size: 0.8rem;
  color: var(--ky-gray);
  text-align: center;
  margin: 0.75rem 0 0;
}

/* 底部跨页链接 */
.page-products .product-foot-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

@media (min-width: 768px) {
  .page-products .product-foot-links {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-products .foot-link-card {
  background: #FFFFFF;
  border-radius: var(--ky-radius-sm);
  padding: 1.1rem 1rem;
  text-decoration: none;
  box-shadow: var(--ky-shadow);
  display: block;
  transition: background 0.25s ease, transform 0.25s ease;
}

.page-products .foot-link-card:hover,
.page-products .foot-link-card:focus {
  background: var(--ky-dark);
  transform: translateY(-2px);
}

.page-products .foot-link-label {
  display: block;
  font-family: var(--ky-font-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ky-gold);
  margin-bottom: 0.25rem;
}

.page-products .foot-link-title {
  font-family: var(--ky-font-display);
  font-size: 1rem;
  color: var(--ky-dark);
  transition: color 0.25s ease;
}

.page-products .foot-link-card:hover .foot-link-title {
  color: #FFFFFF;
}

/* 图片通用响应式 */
.page-products .product-img {
  max-width: 100%;
  height: auto;
}