:root {
  --bg: #f7f9fc;
  --surface: #fff;
  --text: #172331;
  --muted: #697886;
  --line: #e4ecf1;
  --line-soft: #edf2f5;
  --brand: #18b7a6;
  --brand-deep: #087c73;
  --blue: #2865e7;
  --violet: #6a5cff;
  --ink: #111827;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;
  --radius: var(--radius-lg);
  --container: 1160px;
  --shadow: 0 12px 36px rgba(20, 37, 52, .07);
  --shadow-soft: 0 8px 22px rgba(20,37,52,.045);
  --focus: 0 0 0 3px rgba(24, 183, 166, .18);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 0%, rgba(24, 183, 166, .11), transparent 28%),
    radial-gradient(circle at 92% 2%, rgba(106, 92, 255, .10), transparent 30%),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 62%, #fff 100%);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
img { display: block; max-width: 100%; }
.shell { width: min(var(--container), calc(100vw - 56px)); margin: 0 auto; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(228, 236, 241, .88);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(22px);
}
.topbar-inner {
  height: 66px;
  display: grid;
  grid-template-columns: 126px 1fr;
  align-items: center;
  gap: 28px;
}
.brand img { width: 94px; }
.content-title {
  padding: 22px 0;
  color: var(--brand-deep);
  font-size: 15px;
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}
.nav { display: flex; justify-content: center; gap: 28px; font-size: 14px; white-space: nowrap; }
.nav a { position: relative; padding: 22px 0; color: #354352; }
.nav a.active { color: var(--brand-deep); font-weight: var(--weight-semibold); }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 13px;
  width: 22px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--brand);
  transform: translateX(-50%);
}
.search {
  width: 210px;
  height: 38px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--muted);
  background: #fff;
}
.subnav {
  display: flex;
  gap: 10px;
  width: fit-content;
  max-width: 100%;
  margin: 34px auto 0;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 10px 26px rgba(20, 37, 52, .05);
  overflow-x: auto;
}
.subnav a {
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  color: #41505f;
  font-size: 14px;
  white-space: nowrap;
}
.subnav a.active { color: #fff; background: var(--ink); font-weight: var(--weight-semibold); }
.subnav-top {
  justify-self: end;
  margin: 0;
  box-shadow: none;
  background: transparent;
  border-color: transparent;
  overflow: visible;
}
.subnav-top a.active { background: var(--ink); }
.nav-item {
  position: relative;
  display: flex;
}
.nav-flyout {
  position: absolute;
  top: calc(100% + 2px);
  right: 0;
  z-index: 30;
  width: 176px;
  padding: 8px;
  border: 1px solid rgba(228,236,241,.95);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.96);
  box-shadow: 0 16px 34px rgba(20,37,52,.12);
  opacity: 0;
  pointer-events: none;
  transform: translate(0, 4px);
  transition: opacity .16s ease, transform .16s ease;
}
.nav-flyout::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -8px;
  height: 8px;
}
.nav-item:hover .nav-flyout,
.nav-item:focus-within .nav-flyout {
  opacity: 1;
  pointer-events: auto;
  transform: translate(0, 0);
}
.flyout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}
.flyout-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-weight: var(--weight-medium);
  text-align: left;
}
.flyout-link::after {
  content: "→";
  color: #a3afba;
}
.flyout-link:hover {
  color: var(--brand-deep);
  background: linear-gradient(135deg, rgba(24,183,166,.08), rgba(255,255,255,.95));
}
.crumb { margin-top: 34px; color: #8a98a6; font-size: 13px; }
.crumb a { color: var(--brand-deep); font-weight: var(--weight-semibold); }
.hero {
  margin-top: 28px;
  padding: 52px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(90deg, rgba(255,255,255,.97), rgba(255,255,255,.62)),
    var(--hero-image, none) right center / 44% auto no-repeat,
    linear-gradient(135deg, #f3fbfb, #f6f3ff);
  box-shadow: var(--shadow);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: var(--weight-semibold);
  letter-spacing: .04em;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--brand);
  box-shadow: 0 0 0 6px rgba(24, 183, 166, .12);
}
h1 { max-width: 720px; margin: 18px 0; font-size: 50px; line-height: 1.12; letter-spacing: -.035em; }
h1 span { color: var(--violet); }
p { color: var(--muted); line-height: 1.85; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.chip {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  color: var(--brand-deep);
  background: rgba(24, 183, 166, .10);
  font-size: 13px;
  font-weight: var(--weight-medium);
  cursor: default;
}
.chip.violet { color: var(--violet); background: rgba(106, 92, 255, .10); }
.chip.blue { color: var(--blue); background: rgba(40, 101, 231, .10); }
.section { padding-top: 70px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-head h2 { margin: 0; font-size: 30px; letter-spacing: -.02em; }
.more { color: var(--muted); font-size: 13px; font-weight: var(--weight-semibold); }
.nav-cluster {
  margin-top: 26px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.88);
  box-shadow: var(--shadow-soft);
}
.nav-cluster-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.nav-cluster-head h2 {
  margin: 0;
  font-size: 20px;
}
.nav-cluster-head p {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.55;
}
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.cluster-card {
  display: grid;
  gap: 8px;
  min-height: 118px;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255,255,255,.96), rgba(247,250,252,.86));
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.cluster-card:hover {
  border-color: rgba(24,183,166,.28);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}
.cluster-card strong { font-size: 16px; }
.cluster-card span { color: var(--muted); font-size: 13px; line-height: 1.55; }
.cluster-card em {
  color: var(--brand-deep);
  font-size: 13px;
  font-style: normal;
  font-weight: var(--weight-semibold);
}
.hub-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 20px;
  align-items: start;
}
.sticky-index {
  position: sticky;
  top: 86px;
  display: grid;
  gap: 14px;
}
.index-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.88);
  padding: 18px;
}
.index-panel h3 {
  margin: 0 0 12px;
  font-size: 17px;
}
.index-links {
  display: grid;
  gap: 8px;
}
.index-links a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line-soft);
  color: #354352;
  font-size: 14px;
}
.index-links a:first-child { border-top: 0; }
.index-links a::after {
  content: "→";
  color: #a3afba;
}
.nav-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.nav-strip a {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: #41505f;
  background: rgba(255,255,255,.88);
  font-size: 13px;
}
.nav-strip a:hover {
  border-color: rgba(24,183,166,.32);
  color: var(--brand-deep);
}
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.content-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(24, 183, 166, .18);
  border-radius: var(--radius-md);
  color: var(--brand-deep);
  background: linear-gradient(135deg, rgba(24,183,166,.12), rgba(255,255,255,.86));
}
.content-icon::before {
  content: "";
  width: 22px;
  height: 22px;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}
.icon-industry { --icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 21V9l5 3V8l5 4V6h4v15H3Zm3-3h2v-3H6v3Zm5 0h2v-3h-2v3Zm5 0h2v-3h-2v3Z'/%3E%3C/svg%3E"); }
.icon-ai {
  --icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 2l1.6 5.2L19 9l-5.4 1.8L12 16l-1.6-5.2L5 9l5.4-1.8L12 2Zm6 11 1 3 3 1-3 1-1 3-1-3-3-1 3-1 1-3ZM5 13l.8 2.2L8 16l-2.2.8L5 19l-.8-2.2L2 16l2.2-.8L5 13Z'/%3E%3C/svg%3E");
  color: var(--violet);
  border-color: rgba(106,92,255,.18);
  background: linear-gradient(135deg, rgba(106,92,255,.12), rgba(255,255,255,.86));
}
.icon-resource {
  --icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 2h9l5 5v15H6V2Zm8 1.8V8h4.2L14 3.8ZM8.5 12h7v2h-7v-2Zm0 4h7v2h-7v-2Z'/%3E%3C/svg%3E");
  color: var(--blue);
  border-color: rgba(40,101,231,.18);
  background: linear-gradient(135deg, rgba(40,101,231,.11), rgba(255,255,255,.86));
}
.icon-store { --icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 4h16l1 6c-.3 1.7-1.5 3-3.1 3-1 0-1.8-.4-2.4-1.1-.6.7-1.5 1.1-2.5 1.1s-1.9-.4-2.5-1.1C9.9 12.6 9 13 8 13c-1.6 0-2.8-1.3-3.1-3L4 4Zm2 10h12v7H6v-7Zm3 2v3h6v-3H9Z'/%3E%3C/svg%3E"); color: var(--blue); border-color: rgba(40,101,231,.18); background: linear-gradient(135deg, rgba(40,101,231,.10), rgba(255,255,255,.86)); }
.icon-service { --icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 3a5 5 0 0 1 5 5v2h1a3 3 0 0 1 3 3v3a3 3 0 0 1-3 3h-2v-7h1V8a5 5 0 0 0-10 0v4h1v7H6a3 3 0 0 1-3-3v-3a3 3 0 0 1 3-3h1V8a5 5 0 0 1 5-5Zm1 14h3v2h-3v-2Z'/%3E%3C/svg%3E"); }
.icon-card {
  position: relative;
  overflow: hidden;
}
.icon-card::before {
  content: "";
  display: block;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: var(--radius-sm);
  color: var(--brand-deep);
  background:
    var(--icon) center / 20px 20px no-repeat,
    linear-gradient(135deg, rgba(24,183,166,.13), rgba(255,255,255,.88));
  border: 1px solid rgba(24,183,166,.18);
}
.icon-card.icon-ai::before { color: var(--violet); border-color: rgba(106,92,255,.18); background: var(--icon) center / 20px 20px no-repeat, linear-gradient(135deg, rgba(106,92,255,.13), rgba(255,255,255,.88)); }
.icon-card.icon-store::before,
.icon-card.icon-resource::before { color: var(--blue); border-color: rgba(40,101,231,.18); background: var(--icon) center / 20px 20px no-repeat, linear-gradient(135deg, rgba(40,101,231,.12), rgba(255,255,255,.88)); }
.icon-card .chip {
  width: fit-content;
  max-width: 100%;
}
.feature-card {
  min-height: 320px;
  padding: 14px;
  gap: 18px;
}
.feature-media {
  display: grid;
  place-items: center;
  min-height: 132px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: radial-gradient(circle at 75% 16%, rgba(106,92,255,.16), transparent 34%), linear-gradient(135deg, #f4fbfb, #f6f3ff);
}
.feature-media img {
  width: 100%;
  height: 132px;
  object-fit: contain;
  padding: 18px;
}
.feature-copy { padding: 0 12px 12px; }
.feature-copy .content-icon { margin-bottom: 14px; }
.dense-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, .75fr);
  gap: 20px;
  align-items: start;
}
.topic-index {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.topic-box {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.88);
  padding: 18px;
}
.topic-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 18px;
}
.topic-title .content-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
}
.topic-title .content-icon::before { width: 18px; height: 18px; }
.topic-box h3 { margin: 0; font-size: 18px; }
.topic-box > h3 { margin: 0 0 12px; }
.topic-box a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid #edf2f5;
  color: #354352;
  font-size: 14px;
  line-height: 1.45;
}
.topic-box a:first-of-type { border-top: 0; }
.topic-box a::after {
  content: "→";
  flex: 0 0 auto;
  color: #a3afba;
}
.side-stack { display: grid; gap: 14px; }
.mini-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.90);
  padding: 18px;
}
.mini-panel h3 { margin: 0 0 10px; font-size: 17px; }
.mini-panel p { margin: 0; font-size: 13px; line-height: 1.65; }
.mini-visual {
  display: grid;
  place-items: center;
  min-height: 126px;
  margin: -4px -4px 14px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(135deg, #f5fbfb, #f6f3ff);
}
.mini-visual img {
  width: 100%;
  height: 126px;
  object-fit: contain;
  padding: 12px;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.tag-cloud a {
  padding: 8px 10px;
  border: 1px solid #e7eef3;
  border-radius: var(--radius-pill);
  color: #41505f;
  background: #fff;
  font-size: 13px;
  font-weight: var(--weight-medium);
}
.tag-cloud a:hover {
  border-color: rgba(24,183,166,.34);
  color: var(--brand-deep);
  background: rgba(24,183,166,.06);
}
.update-feed {
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.92);
  box-shadow: 0 8px 24px rgba(20,37,52,.05);
  overflow: hidden;
}
.update-row {
  display: grid;
  grid-template-columns: 44px 94px 1fr 92px;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border-top: 1px solid #edf2f5;
}
.update-row .content-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}
.update-row .content-icon::before { width: 18px; height: 18px; }
.update-row:first-child { border-top: 0; }
.update-row strong { display: block; margin-bottom: 5px; font-size: 16px; }
.update-row p { margin: 0; font-size: 13px; line-height: 1.6; }
.update-row time { color: #9aa7b2; font-size: 13px; text-align: right; }
.card, .article, .matrix-card, .faq, .cta {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow-soft);
}
a.card:hover,
a.article:hover,
a.update-row:hover {
  border-color: rgba(24,183,166,.28);
  box-shadow: 0 14px 30px rgba(20,37,52,.075);
  transform: translateY(-1px);
}
.card,
.article,
.update-row {
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.card {
  min-height: 236px;
  padding: 26px;
  display: grid;
  align-content: space-between;
}
.card h3 { margin: 14px 0 8px; font-size: 23px; line-height: 1.35; }
.compact-card {
  min-height: 154px;
  padding: 20px;
}
.compact-card h3 {
  margin: 10px 0 6px;
  font-size: 18px;
}
.compact-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}
.meta { color: #9aa7b2; font-size: 13px; font-weight: 700; }
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 20px;
  align-items: start;
}
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.82);
  box-shadow: none;
  padding: 24px;
}
.panel h3 { margin: 0 0 14px; font-size: 22px; }
.link-list { display: grid; gap: 12px; }
.link-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid #edf2f5;
}
.link-row:first-child { border-top: 0; padding-top: 0; }
.link-row span { color: var(--brand-deep); font-size: 13px; font-weight: var(--weight-semibold); }
.link-row strong { display: block; margin-bottom: 4px; }
.link-row p { margin: 0; font-size: 13px; line-height: 1.6; }
.article-list { display: grid; gap: 14px; }
.article {
  display: grid;
  grid-template-columns: 176px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 16px;
}
.thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 116px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #f3fbfb, #f6f2ff);
}
.thumb img { max-height: 92px; object-fit: contain; }
.article h3 { margin: 8px 0; font-size: 21px; line-height: 1.42; }
.arrow { width: 38px; height: 38px; border-radius: var(--radius-pill); display: grid; place-items: center; color: #fff; background: var(--ink); }
.matrix { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.matrix-card { padding: 20px; min-height: 158px; }
.matrix-card strong { display: block; margin-bottom: 8px; font-size: 18px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.faq { padding: 24px; }
.faq h3 { margin: 0 0 8px; font-size: 18px; }
.cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin: 72px auto;
  padding: 34px 38px;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at 92% 16%, rgba(106,92,255,.12), transparent 28%), linear-gradient(90deg, rgba(24,183,166,.12), transparent 45%), #fff;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: #fff;
  font-size: 14px;
  font-weight: var(--weight-semibold);
}
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--brand), #20c8bd); }
.btn-outline { color: var(--brand-deep); border-color: rgba(24, 183, 166, .34); }
@media (max-width: 1080px) {
  .cta { grid-template-columns: 1fr; }
  .nav { justify-content: flex-start; overflow-x: auto; }
  .grid-4, .grid-3, .grid-2, .matrix, .split, .dense-layout, .topic-index, .cluster-grid, .hub-layout { grid-template-columns: repeat(2, 1fr); }
  .dense-layout { grid-template-columns: 1fr; }
  .hub-layout { grid-template-columns: 1fr; }
  .sticky-index { position: static; grid-template-columns: repeat(2, 1fr); }
  .topic-index { grid-template-columns: repeat(3, 1fr); }
  .side-stack { grid-template-columns: repeat(2, 1fr); }
  .topbar-inner {
    grid-template-columns: 112px 1fr;
    height: auto;
    padding: 12px 0;
  }
  .subnav-top {
    justify-self: end;
    overflow-x: auto;
    overflow-y: visible;
  }
  .nav-flyout {
    width: 176px;
    transform: translate(0, 8px);
  }
  .nav-item:hover .nav-flyout,
  .nav-item:focus-within .nav-flyout {
    transform: translate(0, 0);
  }
}
@media (max-width: 760px) {
  .shell { width: min(var(--container), calc(100vw - 32px)); }
  .topbar-inner { grid-template-columns: 1fr; height: auto; padding: 12px 0; }
  .subnav-top {
    justify-self: start;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .subnav-top::-webkit-scrollbar { display: none; }
  .nav-flyout { display: none; }
  h1 { font-size: 35px; }
  .hero { padding: 30px; background-image: linear-gradient(135deg, #fff, #f6f3ff); }
  .grid-4, .grid-3, .grid-2, .article, .matrix, .faq-grid, .split, .dense-layout, .topic-index, .update-row, .cluster-grid, .hub-layout, .sticky-index { grid-template-columns: 1fr; }
  .side-stack { grid-template-columns: 1fr; }
  .update-row time { text-align: left; }
  .arrow { display: none; }
}