main {
  position: relative;
  z-index: 1;
  width: min(var(--page-width), 100%);
  margin: 0 auto;
}
section {
  position: relative;
  margin-bottom: var(--section-gap);
  scroll-margin-top: 96px;
}
/* full-viewport content sections */
.capabilities-screen,
.value-screen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: auto;
  margin-bottom: 0;
  padding: calc(var(--section-gap) * 0.62) 0;
}
.cta-screen {
  min-height: 86vh;
  display: flex;
  align-items: center;
}
.cta-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(56px, 8vw, 96px);
  align-items: center;
  width: 100%;
}
section::before {
  content: "";
  position: absolute;
  top: -20px;
  left: 0;
  width: min(220px, 42vw);
  height: 1px;
  background: linear-gradient(90deg, rgba(6, 199, 186, 0.02), rgba(6, 199, 186, 0.36), transparent);
}
.section-heading {
  max-width: 780px;
  margin-bottom: var(--block-gap);
}
.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: clamp(48px, 7vw, 80px);
  align-items: end;
  max-width: none;
}
.heading-side {
  display: grid;
  gap: 22px;
  padding-bottom: 6px;
}
.section-heading::after {
  content: "AI 辅助判断";
  display: inline-flex;
  margin-top: 18px;
  padding: 4px 8px;
  color: var(--theme);
  font-size: 0.68rem;
  font-weight: 850;
  background: var(--theme-soft);
  border: 1px solid var(--theme-line);
  border-radius: var(--radius);
}
.split-heading::after {
  content: none;
}
.section-heading h2,
.outcome-copy h2 {
  margin-top: 10px;
  font-size: 2.75rem;
  font-weight: 850;
  line-height: 1.14;
  letter-spacing: 0;
}
.section-heading p,
.outcome-copy p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1rem;
}
.heading-side p {
  margin-top: 0;
  line-height: 1.75;
}
.copy-line {
  display: block;
  max-width: 100%;
}
.section-heading h2 .copy-line,
.outcome-copy h2 .copy-line {
  text-wrap: balance;
}
.hero-lead .copy-line + .copy-line,
.section-heading p .copy-line + .copy-line,
.outcome-copy p .copy-line + .copy-line {
  margin-top: 4px;
}
.audience-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 0;
}
.audience-strip span {
  padding: 6px 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
}
.trust-section {
  padding: 34px 0 18px;
}
.trust-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--card-gap);
}
.trust-cards article {
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 188px;
  padding: 28px;
  background: var(--surface-bg);
  border: 1px solid var(--line-strong);
  box-shadow: var(--inner-shadow);
}
.trust-cards span {
  color: var(--theme);
  font-size: 0.78rem;
  font-weight: 850;
}
.trust-cards strong {
  font-size: 1.05rem;
  line-height: 1.42;
}
.trust-cards p {
  color: var(--muted);
  font-size: 0.93rem;
}
.capability-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--card-gap);
}
.capability-matrix article,
.outcome-section {
  position: relative;
  overflow: hidden;
  background: var(--surface-bg);
  border: 2px solid var(--surface-border);
  border-radius: var(--radius);
  box-shadow: var(--surface-shadow);
}
.capability-matrix article {
  min-height: 218px;
  padding: 28px;
  border: 1px solid var(--line-strong);
  box-shadow: var(--inner-shadow);
}
.capability-matrix span {
  display: block;
  color: var(--theme);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}
.capability-matrix h3 {
  margin: 20px 0 12px;
  font-size: 1.12rem;
  line-height: 1.45;
}
.capability-matrix p {
  color: var(--text);
  font-size: 0.93rem;
  font-weight: 760;
  line-height: 1.58;
}
.capability-matrix em {
  display: block;
  margin-top: 20px;
  padding-top: 16px;
  color: var(--muted);
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 760;
  line-height: 1.5;
  border-top: 1px solid var(--line);
}
.capability-matrix article {
  transition: transform 260ms ease, border-color 260ms ease, background 260ms ease, box-shadow 260ms ease;
}
.capability-matrix article:hover {
  transform: translateY(-4px);
  border-color: var(--theme-line);
  box-shadow: var(--surface-shadow);
  background:
    linear-gradient(180deg, rgba(6, 199, 186, 0.08), rgba(255, 255, 255, 0.92)),
    var(--surface-bg);
}
.value-layout {
  display: grid;
  grid-template-columns: minmax(0, 55fr) minmax(360px, 45fr);
  gap: clamp(38px, 5vw, 64px);
  align-items: center;
  margin-bottom: 42px;
}
.value-layout .section-heading {
  max-width: 760px;
  margin-bottom: 0;
}
.value-layout .time-compress-visual {
  grid-column: 1 / -1;
}
.motion-count {
  font-variant-numeric: tabular-nums;
}
.outcome-section {
  display: block;
  margin-bottom: 0;
  padding: clamp(46px, 6vw, 72px);
  background:
    linear-gradient(120deg, rgba(6, 199, 186, 0.16), transparent 54%),
    var(--surface-bg);
  border: 2px solid var(--surface-border);
  box-shadow: var(--surface-shadow);
}
.outcome-copy {
  max-width: 860px;
}
.outcome-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.cta-assurance {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}