@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi-Regular.subset.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi-Bold.subset.woff2") format("woff2");
  font-weight: 700 900;
  font-display: swap;
}

.content-page .site-header .main-nav a.is-active {
  color: var(--blue);
  background: var(--brand-soft);
  box-shadow: inset 0 0 0 1px var(--brand-ring);
}

.page-main {
  min-height: 70vh;
  overflow: visible;
}

.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-hero::before,
.page-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}

.page-hero::before {
  width: 460px;
  height: 460px;
  top: -280px;
  right: 5%;
  background: radial-gradient(circle, rgba(37, 99, 235, .22), transparent 68%);
}

.page-hero::after {
  width: 280px;
  height: 280px;
  left: -120px;
  bottom: -190px;
  background: radial-gradient(circle, rgba(24, 197, 149, .14), transparent 70%);
}

.page-hero-shell,
.content-shell {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.page-hero-shell {
  position: relative;
  z-index: 1;
  padding: clamp(36px, 4.5vw, 68px) 0 clamp(40px, 5vw, 72px);
}

/* Blog is an information index, so its first screen should stay compact. */
.content-page[data-page="blog"] .page-hero-shell {
  padding: clamp(28px, 3.2vw, 46px) 0 clamp(32px, 3.6vw, 50px);
}

.content-page[data-page="blog"] .breadcrumb {
  margin-bottom: 12px;
}

.content-page[data-page="blog"] .page-hero h1 {
  margin-top: 14px;
  font-size: clamp(34px, 4.3vw, 58px);
}

.content-page[data-page="blog"] .page-lead {
  margin-top: 14px;
}

.content-page[data-page="blog"] .content-shell {
  padding-top: 32px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.breadcrumb a:hover {
  color: var(--blue);
}

.page-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid var(--brand-ring);
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
}

.page-hero h1 {
  width: 100%;
  max-width: none;
  margin: 18px 0 0;
  color: var(--text-strong);
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.12;
  letter-spacing: -.035em;
}

.page-hero h1 span,
.accent-text {
  color: var(--blue);
}

.page-lead {
  width: 100%;
  max-width: none;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.8;
}

.content-shell {
  padding: 42px 0 64px;
}

.section-block + .section-block {
  margin-top: 48px;
}

.section-heading {
  width: 100%;
  max-width: none;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(27px, 3.3vw, 42px);
  line-height: 1.2;
}

.section-heading p,
.rich-copy p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.rich-copy {
  width: 100%;
  max-width: none;
}

.info-grid,
.feature-grid,
.product-page-grid {
  display: grid;
  gap: 16px;
}

.info-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.product-page-grid {
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: stretch;
}

.info-card,
.feature-card,
.product-page-card,
.faq-panel,
.blog-list-card,
.article-shell {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-raised);
  box-shadow: var(--shadow-sm);
}

.info-card,
.feature-card {
  padding: 24px;
}

.module-icon {
  width: 38px;
  height: 38px;
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(42, 117, 255, .2);
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--blue);
}

.module-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.module-icon.compact {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}

.module-icon.compact svg {
  width: 16px;
  height: 16px;
}

.module-icon.micro {
  width: 16px;
  height: 16px;
  border: 0;
  background: transparent;
}

.module-icon.micro svg {
  width: 13px;
  height: 13px;
  stroke-width: 2;
}

.info-card > [data-module-icon],
.feature-card > [data-module-icon],
.product-page-card .feature-grid > div > [data-module-icon] {
  display: block;
  margin-bottom: 14px;
}

.product-page-card .feature-grid > div > [data-module-icon] {
  margin-bottom: 10px;
}

.info-card strong,
.feature-card h3 {
  display: block;
  margin: 0 0 10px;
  color: var(--text-strong);
  font-size: 18px;
}

.info-card p,
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.value-list,
.check-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.value-list li,
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
  line-height: 1.75;
}

.value-list li::before,
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.product-page-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-content: start;
  height: 100%;
  padding: 30px;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.product-page-card:hover,
.blog-list-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, .38);
  box-shadow: var(--shadow);
}

.product-page-card.featured {
  background: var(--surface-raised);
}

.product-page-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  align-self: stretch;
  align-content: flex-start;
  margin: 0;
  padding: 0 0 20px;
  border-bottom: 1px solid var(--line);
}

.product-page-header > div {
  min-width: 0;
}

.product-page-logo {
  width: 68px;
  height: 68px;
  flex: 0 0 68px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 8px 12px rgba(44, 38, 32, .12));
}

.product-page-content {
  min-width: 0;
  width: 100%;
}

.product-page-content > :first-child {
  margin-top: 0;
}

.product-page-content > p {
  margin: 0 0 14px;
}

.product-page-content .product-summary {
  margin-bottom: 24px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.9;
}

.product-page-content strong {
  color: var(--text-strong);
  font-weight: 800;
}

.product-section-title {
  margin: 0 0 12px;
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-page-content > .feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 24px;
}

.product-page-content > .feature-grid > div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.product-page-content > .feature-grid .module-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.product-page-content > .feature-grid .module-icon svg {
  width: 18px;
  height: 18px;
}

.product-page-content > .feature-grid strong {
  display: block;
  margin-bottom: 6px;
}

.product-page-content > .feature-grid p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.product-page-content > .check-list {
  margin: 0 0 24px;
}

.product-page-content .product-audience {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.product-audience > strong {
  color: var(--blue);
  font-size: 13px;
  letter-spacing: .04em;
}

.product-audience > strong {
  margin-right: 8px;
}

html[data-theme="dark"] .product-page-logo {
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, .36));
}

.product-page-header .product-title-group {
  align-items: flex-start;
  gap: 5px;
}

.product-page-header .product-title-group h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: 24px;
  line-height: 1.2;
  font-weight: 900;
}

.product-page-card > .product-subtitle {
  margin: 0 0 14px;
}

.product-index {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
}

.product-page-card h2 {
  margin: 10px 0 8px;
  color: var(--text-strong);
  font-size: 25px;
}

.product-page-card .product-subtitle {
  display: block;
  margin-bottom: 18px;
  padding-left: 12px;
  border-left: 3px solid var(--blue);
  color: var(--blue);
  font-weight: 800;
}

.product-page-card p {
  color: var(--muted);
  line-height: 1.8;
}

.product-page-card .button {
  margin-top: 8px;
}

.faq-toolbar,
.blog-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.search-field {
  position: relative;
  flex: 1;
}

.search-field input {
  width: 100%;
  min-height: 48px;
  padding: 0 16px 0 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  background: var(--surface-raised);
  color: var(--text-strong);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.search-field::before {
  content: "⌕";
  position: absolute;
  left: 17px;
  top: 50%;
  transform: translateY(-54%);
  color: var(--blue);
  font-size: 24px;
  z-index: 1;
}

.search-field input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.text-button {
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
}

.faq-panel {
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: 1px solid var(--line);
}

.faq-question {
  width: 100%;
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 20px 22px;
  border: 0;
  background: transparent;
  color: var(--text-strong);
  text-align: left;
  cursor: pointer;
  font-weight: 900;
}

.faq-plus {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--blue);
  font-size: 19px;
  transition: transform .2s ease;
}

.faq-item.is-open .faq-plus {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .24s ease;
}

.faq-answer > div {
  overflow: hidden;
}

.faq-answer p {
  margin: 0;
  padding: 0 22px 22px 60px;
  color: var(--muted);
  line-height: 1.9;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-button {
  min-height: 40px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.filter-button.is-active {
  border-color: var(--brand-ring);
  background: var(--brand-soft);
  color: var(--blue);
}

.blog-page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.blog-list-card {
  min-width: 0;
  overflow: hidden;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.blog-list-card > a {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-list-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 800;
}

.blog-kind,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
}

.blog-list-card h2 {
  margin: 13px 0 10px;
  color: var(--text-strong);
  font-size: 19px;
  line-height: 1.45;
}

.blog-list-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.read-more {
  margin-top: auto;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.result-meta,
.empty-state {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.result-meta {
  margin: 0 0 16px;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 56px 20px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  text-align: center;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
}

.pagination button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
}

.pagination button.is-active {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
  gap: 28px;
  width: 100%;
  align-items: start;
}

.article-shell {
  overflow: hidden;
}

.article-content {
  padding: clamp(24px, 4vw, 52px);
}

.article-content h2 {
  margin: 44px 0 16px;
  color: var(--text-strong);
  font-size: 25px;
  line-height: 1.35;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content p {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 16px;
  line-height: 2;
}

.article-content p.article-compact-line {
  margin-bottom: 6px;
  line-height: 2;
}

.article-media {
  display: grid;
  gap: 16px;
  margin: 24px 0 32px;
}

.article-media.is-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.article-media figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.article-media img {
  display: block;
  width: 100%;
  height: auto;
}

.article-sidebar {
  position: sticky;
  top: 76px;
  z-index: 5;
  align-self: start;
  display: grid;
  gap: 18px;
}

.article-aside {
  height: fit-content;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-raised);
}

.article-aside b {
  color: var(--text-strong);
}

.aside-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}

.article-nav a {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.article-nav a:last-child {
  text-align: left;
}

.article-nav strong {
  display: block;
  margin-top: 5px;
  color: var(--text-strong);
}

.content-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-top: 48px;
  padding: 30px;
  border: 1px solid var(--brand-ring);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-soft), var(--surface-raised));
}

.content-cta h2,
.content-cta p {
  margin: 0;
}

.content-cta h2 {
  color: var(--text-strong);
}

.content-cta p {
  margin-top: 6px;
  color: var(--muted);
}

.contact-copy {
  justify-content: flex-start;
  margin-top: 0;
}

.contact-copy p {
  margin: 0;
  line-height: 1.9;
}

.contact-copy a {
  color: var(--blue);
  font-weight: 800;
}

/* Contact page */
.contact-hero {
  background:
    linear-gradient(110deg, rgba(37, 99, 235, .08), transparent 44%),
    radial-gradient(circle at 82% 35%, rgba(24, 197, 149, .12), transparent 28%);
}

.contact-page .contact-hero .page-hero-shell {
  padding-bottom: clamp(54px, 7vw, 96px);
}

.contact-page .contact-hero h1 {
  max-width: 980px;
}

.contact-page .page-lead {
  max-width: none;
}

@media (min-width: 981px) {
  html[data-page-lang="zh"] .contact-page .page-lead {
    white-space: nowrap;
  }
}

.contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.contact-hero-actions .button {
  min-width: 132px;
}

.contact-shell {
  padding-top: clamp(34px, 5vw, 68px);
}

.contact-channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 18px;
}

.contact-primary-card,
.contact-wechat-card {
  min-height: 262px;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}

.contact-primary-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(24px, 3vw, 38px);
  overflow: hidden;
  background: linear-gradient(135deg, #195ddd 0%, #2a75ff 58%, #4b8cff 100%);
  color: #fff;
  transition: transform .24s ease, box-shadow .24s ease;
}

.contact-primary-card::after {
  content: "@";
  position: absolute;
  right: -12px;
  bottom: -84px;
  color: rgba(255, 255, 255, .09);
  font-size: 260px;
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.contact-primary-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 54px rgba(24, 83, 190, .24);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 14px;
  background: rgba(255, 255, 255, .14);
}

.contact-card-icon svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-card-copy {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 36px;
}

.contact-card-copy small,
.contact-wechat-copy small {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: .03em;
  opacity: .78;
}

.contact-card-copy strong {
  display: block;
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.contact-card-copy em {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  font-style: normal;
  opacity: .76;
}

.contact-card-arrow {
  position: absolute;
  top: 30px;
  right: 32px;
  font-size: 25px;
}

.contact-wechat-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 22px;
  padding: clamp(24px, 3vw, 34px);
  background: var(--surface-raised);
}

.contact-wechat-copy .contact-card-icon {
  margin-bottom: 36px;
  border-color: rgba(24, 197, 149, .22);
  background: rgba(24, 197, 149, .1);
  color: #13a777;
}

.contact-wechat-copy strong {
  display: block;
  color: var(--text-strong);
  font-size: 23px;
}

.contact-wechat-copy p {
  max-width: 330px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.contact-wechat-card img {
  width: 148px;
  height: 148px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  object-fit: contain;
}

.contact-social-section {
  margin-top: clamp(54px, 7vw, 88px);
}

.contact-section-kicker {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
}

.contact-social-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 24px;
}

.contact-social-heading h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(27px, 3.3vw, 42px);
}

.contact-social-heading p {
  max-width: 390px;
  margin: 0 0 4px;
  color: var(--muted);
  line-height: 1.7;
}

.contact-social-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.contact-social-grid a {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 68px;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-raised);
  color: var(--text-strong);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.contact-social-grid a:hover {
  transform: translateY(-2px);
  border-color: var(--brand-ring);
  box-shadow: var(--shadow-sm);
}

.contact-social-grid b {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: transparent;
  color: inherit;
  font-size: 15px;
  font-weight: 900;
}

.contact-social-grid b svg {
  width: 36px;
  height: 36px;
  box-sizing: border-box;
  padding: 5px;
  border-radius: 999px;
  color: #fff;
  fill: currentColor;
}

.contact-social-grid span {
  font-size: 14px;
  font-weight: 800;
}

.contact-social-grid em {
  color: var(--muted);
  font-style: normal;
}

@media (max-width: 980px) {
  .contact-channel-grid {
    grid-template-columns: 1fr;
  }

  .contact-primary-card,
  .contact-wechat-card {
    min-height: 230px;
  }

  .contact-social-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .contact-social-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .contact-social-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .contact-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .contact-wechat-card {
    grid-template-columns: 1fr;
  }

  .contact-wechat-copy .contact-card-icon {
    margin-bottom: 22px;
  }

  .contact-wechat-card img {
    width: 132px;
    height: 132px;
  }

  .contact-social-grid {
    grid-template-columns: 1fr;
  }
}

.content-page .site-footer {
  margin-top: 0;
}

.ai-summary-section {
  position: relative;
  overflow: hidden;
  padding: 0 0 44px;
  background: transparent;
}

.ai-summary-shell {
  width: min(var(--container), calc(100% - 48px));
  position: relative;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  margin: 0 auto;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .78), rgba(255, 255, 255, .42)),
    var(--surface-raised);
  box-shadow: 0 10px 30px rgba(28, 49, 92, .07);
}

.ai-summary-shell::before {
  content: "";
  position: absolute;
  width: 110px;
  height: 110px;
  top: -70px;
  right: 8%;
  border-radius: 50%;
  background: rgba(91, 74, 255, .08);
  filter: blur(1px);
  pointer-events: none;
}

.ai-summary-heading {
  position: relative;
  z-index: 1;
  margin: 0;
  text-align: left;
}

.ai-summary-heading h2,
.ai-summary-heading p {
  margin: 0;
}

.ai-summary-heading h2 {
  color: var(--text-strong);
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -.015em;
}

.ai-summary-heading p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

@media (min-width: 1181px) {
  .ai-summary-heading h2,
  .ai-summary-heading p {
    white-space: nowrap;
  }
}

.ai-platform-panel {
  position: relative;
  z-index: 1;
  /* padding: 9px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, .52); */
}

.ai-platform-panel::after {
  display: none;
}

.ai-platform-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 6px;
}

.ai-platform-link {
  position: relative;
  min-width: 0;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 5px 3px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-raised);
  color: var(--text-strong);
  box-shadow: 0 2px 8px rgba(28, 49, 92, .03);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.ai-platform-link[data-copy-prompt]::after {
  content: "⧉";
  position: absolute;
  top: 4px;
  right: 5px;
  color: var(--muted-2);
  font-size: 8px;
  line-height: 1;
}

.ai-platform-link:hover,
.ai-platform-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(42, 117, 255, .32);
  outline: none;
  background: var(--surface-raised);
  box-shadow: 0 7px 16px rgba(32, 78, 160, .10);
}

.ai-platform-logo {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(15, 23, 42, .06);
  border-radius: 8px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 2px 7px rgba(24, 38, 70, .06);
}

.ai-platform-logo img {
  width: 23px;
  height: 23px;
  object-fit: contain;
}

.ai-platform-name {
  min-width: 0;
  overflow: hidden;
  max-width: 100%;
  font-size: 9px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ai-platform-name-wrap {
  max-width: 100%;
  min-width: 0;
  text-align: center;
}

.ai-platform-name-wrap .ai-platform-name,
.ai-platform-name-wrap small {
  display: block;
}

.ai-platform-name-wrap small {
  display: none;
}

.ai-platform-arrow {
  display: none;
}

.ai-platform-link:hover .ai-platform-arrow,
.ai-platform-link:focus-visible .ai-platform-arrow {
  transform: translate(2px, -2px);
  color: var(--blue);
}

html[data-theme="dark"] .ai-summary-shell {
  background:
    linear-gradient(135deg, rgba(26, 32, 48, .90), rgba(18, 23, 36, .72)),
    var(--surface-raised);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
}

html[data-theme="dark"] .ai-platform-panel {
  background: rgba(16, 21, 34, .54);
}

.ai-summary-section.is-article-aside {
  overflow: visible;
  padding: 0;
}

.ai-summary-section.is-article-aside .ai-summary-shell {
  width: 100%;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 16px;
  border-radius: 12px;
}

.ai-summary-section.is-article-aside .ai-summary-heading {
  text-align: left;
}

.ai-summary-section.is-article-aside .ai-summary-heading h2,
.ai-summary-section.is-article-aside .ai-summary-heading p {
  white-space: normal;
}

.ai-summary-section.is-article-aside .ai-summary-heading h2 {
  font-size: 16px;
}

.ai-summary-section.is-article-aside .ai-summary-heading p {
  margin-top: 4px;
  font-size: 10px;
}

.ai-summary-section.is-article-aside .ai-platform-panel {
  padding: 7px;
}

.ai-summary-section.is-article-aside .ai-platform-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
}

.ai-summary-section.is-article-aside .ai-platform-link {
  min-height: 54px;
}

.ai-summary-section.is-article-aside .ai-platform-logo {
  width: 28px;
  height: 28px;
}

.ai-summary-section.is-article-aside .ai-platform-logo img {
  width: 21px;
  height: 21px;
}

.ai-summary-status {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 12px;
  max-width: calc(100% - 32px);
  margin: 0;
  padding: 9px 14px;
  border: 1px solid var(--brand-ring);
  border-radius: 999px;
  background: var(--surface-raised);
  color: var(--text-strong);
  box-shadow: var(--shadow-sm);
  font-size: 12px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity .2s ease, transform .2s ease;
}

.ai-summary-status:empty {
  display: none;
}

.ai-summary-status.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (min-width: 1180px) {
  .product-page-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-page-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 1180px) {
  .ai-summary-shell {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .ai-summary-heading {
    text-align: center;
  }

  .ai-platform-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .info-grid,
  .blog-page-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    order: -1;
  }

  .product-page-card {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .product-page-header {
    padding: 0 0 20px;
    border-bottom: 1px solid var(--line);
  }

  .product-page-content > .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 981px) and (max-width: 1100px) {
  .product-page-content > .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .page-hero-shell,
  .content-shell,
  .ai-summary-shell {
    width: min(100% - 28px, var(--container));
  }

  .ai-summary-section {
    padding-bottom: 34px;
  }

  .ai-summary-shell {
    padding: 16px 12px;
    border-radius: 14px;
  }

  .ai-platform-panel {
    padding: 7px;
  }

  .ai-platform-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ai-platform-link {
    min-height: 58px;
  }
}

@media (max-width: 420px) {
  .ai-platform-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-hero-shell {
    padding: 30px 0 38px;
  }

  .content-shell {
    padding: 32px 0 46px;
  }

  .info-grid,
  .feature-grid,
  .product-page-grid,
  .blog-page-grid {
    grid-template-columns: 1fr;
  }

  .product-page-card.featured {
    grid-column: auto;
  }

  .product-page-content > .feature-grid {
    grid-template-columns: 1fr;
  }

  .faq-toolbar,
  .blog-toolbar,
  .content-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .faq-question {
    grid-template-columns: 24px 1fr auto;
    gap: 8px;
    padding: 18px 14px;
  }

  .faq-answer p {
    padding: 0 16px 20px 46px;
  }

  .article-content {
    padding: 24px 18px;
  }

  .article-content p {
    font-size: 15px;
  }

  .article-media.is-grid {
    grid-template-columns: 1fr;
  }

  .article-nav {
    grid-template-columns: 1fr;
  }

  .article-nav a:last-child {
    text-align: left;
  }
}