:root {
  --bg: #f7faff;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-solid: #ffffff;
  --surface-soft: #f2f7ff;
  --line: rgba(188, 205, 235, 0.76);
  --line-strong: rgba(157, 180, 225, 0.92);
  --text: #1a3050;
  --text-strong: #0d2138;
  --text-muted: #627793;
  --text-light: #889ab1;
  --brand: #245cff;
  --brand-deep: #193db0;
  --brand-soft: rgba(36, 92, 255, 0.08);
  --cyan: #2bbccc;
  --shadow: 0 24px 72px rgba(17, 55, 118, 0.1);
  --shadow-soft: 0 14px 40px rgba(17, 55, 118, 0.07);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1520px, calc(100vw - 80px));
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 14% 10%, rgba(36, 92, 255, 0.12), transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(43, 188, 204, 0.12), transparent 18%),
    linear-gradient(180deg, #fbfdff 0%, #f4f8ff 22%, #ffffff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(36, 92, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 92, 255, 0.03) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: radial-gradient(circle at center, black, transparent 84%);
  pointer-events: none;
  z-index: -1;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link:focus {
  width: auto;
  height: auto;
  clip: auto;
  inset: 16px auto auto 16px;
  z-index: 20;
  padding: 10px 14px;
  margin: 0;
  border-radius: 999px;
  background: #fff;
  color: #101827;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 18px 0;
  transition: padding 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease, backdrop-filter 0.24s ease;
}

.site-header.is-scrolled {
  padding: 10px 0;
  background: rgba(250, 252, 255, 0.84);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(188, 205, 235, 0.58);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(188, 205, 235, 0.74);
  border-radius: 999px;
  box-shadow: 0 12px 32px rgba(17, 55, 118, 0.05);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(188, 205, 235, 0.72);
  box-shadow: 0 14px 24px rgba(36, 92, 255, 0.08);
  padding: 6px;
}

.brand-copy {
  display: grid;
  gap: 3px;
}

.brand-copy strong {
  color: var(--text-strong);
  font-size: 1rem;
}

.brand-copy span {
  color: var(--text-light);
  font-size: 0.84rem;
}

.nav-panel,
.nav-links,
.nav-actions {
  display: flex;
  align-items: center;
}

.nav-panel {
  flex: 1;
  justify-content: space-between;
  gap: 20px;
}

.nav-links {
  gap: 6px;
}

.nav-actions {
  gap: 12px;
}

.nav-link,
.nav-dropdown-toggle {
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 10px 14px;
  border-radius: 999px;
  border: 0;
  background: transparent;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-dropdown-toggle:hover,
.nav-dropdown-toggle:focus-visible {
  color: var(--text-strong);
  background: var(--brand-soft);
  outline: none;
}

.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 220px;
  display: grid;
  gap: 6px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-dropdown.is-open .dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-menu a,
.dropdown-item-disabled {
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.95rem;
}

.dropdown-menu a {
  color: var(--text-muted);
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible {
  color: var(--text-strong);
  background: var(--brand-soft);
  outline: none;
}

.dropdown-item-disabled {
  color: var(--text-light);
  background: #f7f9fc;
  cursor: default;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  background: var(--brand-soft);
  cursor: pointer;
  padding: 12px 10px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  border-radius: 999px;
  background: var(--text-strong);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 650;
  font-size: 0.96rem;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #6397ff);
  box-shadow: 0 18px 34px rgba(36, 92, 255, 0.18);
}

.button-secondary {
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line-strong);
}

.button-ghost {
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--line);
}

.button-small {
  min-height: 42px;
  padding: 0 16px;
}

.hero-banner {
  padding: 56px 0 108px;
  background: linear-gradient(180deg, #edf4ff 0%, #f6f9ff 48%, #ffffff 100%);
}

.hero-shell,
.faq-layout,
.footer-grid,
.capability-layout,
.pricing-layout,
.company-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(520px, 0.85fr);
  gap: 64px;
  align-items: center;
}

.hero-intro,
.hero-side,
.advantage-card,
.business-card,
.scenario-card,
.faq-list,
.contact-box,
.footer-grid,
.capability-main,
.capability-list,
.process-card,
.pricing-copy,
.pricing-cards,
.pricing-card,
.case-card {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(188, 205, 235, 0.74);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.hero-intro,
.hero-side,
.faq-list,
.contact-box,
.footer-grid,
.capability-main,
.capability-list,
.pricing-copy,
.pricing-cards {
  border-radius: var(--radius-xl);
}

.hero-intro {
  position: relative;
  padding: 72px 60px 56px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(247, 250, 255, 0.92));
}

.hero-intro::before {
  content: "";
  position: absolute;
  inset: -10% auto auto -18%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36, 92, 255, 0.12), transparent 70%);
  pointer-events: none;
}

.hero-context,
.product-subtitle,
.case-tag {
  margin: 0;
  color: var(--brand);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-intro h1,
.section-heading h2,
.contact-box h2,
.pricing-copy h2 {
  margin: 18px 0;
  color: var(--text-strong);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.hero-subtitle {
  margin: 0 0 18px;
  color: var(--text-light);
  font-size: 1.05rem;
  font-weight: 600;
}

.hero-lead,
.section-heading p,
.advantage-card p,
.product-card p,
.scenario-card p,
.faq-list p,
.contact-box p,
.footer-brand p,
.footer-column a,
.footer-column span,
.capability-block p,
.capability-list span,
.process-card p,
.pricing-copy p,
.pricing-card p,
.case-card p {
  color: var(--text-muted);
  line-height: 1.84;
}

.hero-lead {
  max-width: 34em;
}

.section-heading p {
  max-width: 52em;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-proof {
  margin: 18px 0 0;
  color: var(--text-light);
  font-size: 0.95rem;
  font-weight: 600;
}

.hero-side {
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.hero-side-panel {
  padding: 26px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 14% 16%, rgba(36, 92, 255, 0.1), transparent 24%),
    radial-gradient(circle at 88% 20%, rgba(43, 188, 204, 0.1), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(241, 246, 255, 0.98));
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 26px 56px rgba(17, 55, 118, 0.1);
  position: relative;
  overflow: hidden;
}

.hero-side-panel::after {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 24px;
  border: 1px solid rgba(36, 92, 255, 0.08);
  pointer-events: none;
}

.hero-side-panel h2 {
  margin: 0 0 12px;
  color: var(--text-strong);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.1vw, 2.3rem);
  line-height: 1.28;
  letter-spacing: -0.03em;
}

.hero-side-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.hero-side-list article {
  padding: 18px 18px 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(188, 205, 235, 0.84);
  box-shadow: 0 12px 26px rgba(17, 55, 118, 0.05);
  position: relative;
  padding-left: 66px;
}

.hero-side-list article + article {
  margin-top: 2px;
}

.hero-side-list strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text-strong);
  font-size: 1.06rem;
}

.hero-side-list span {
  color: var(--text-muted);
  line-height: 1.72;
}

.side-icon {
  position: absolute;
  top: 18px;
  left: 18px;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(36, 92, 255, 0.1), rgba(43, 188, 204, 0.12));
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.hero-value-grid,
.business-grid,
.process-grid,
.case-grid,
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.hero-value-grid {
  margin-top: 26px;
}

.hero-value-card {
  padding: 22px 20px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.96));
  border: 1px solid rgba(188, 205, 235, 0.88);
  box-shadow: 0 18px 36px rgba(17, 55, 118, 0.08);
  min-height: 100%;
}

.hero-value-card-accent {
  background: linear-gradient(135deg, rgba(36, 92, 255, 0.09), rgba(43, 188, 204, 0.08) 85%);
}

.hero-value-icon {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: rgba(36, 92, 255, 0.08);
  color: var(--brand);
  font-size: 1.15rem;
  font-weight: 800;
}

.hero-value-card h2,
.business-card h3,
.capability-block h3,
.process-card h3,
.pricing-card h3,
.case-card h3 {
  display: block;
  margin: 14px 0 8px;
  color: var(--text-strong);
  font-size: 1.02rem;
  line-height: 1.55;
}

.hero-value-card p {
  margin: 0;
}

.section-heading {
  max-width: 840px;
  position: relative;
  z-index: 1;
}

.section-center {
  margin: 0 auto 34px;
  text-align: center;
}

.section {
  padding: 108px 0;
}

.section-soft {
  position: relative;
  background: linear-gradient(180deg, rgba(245, 248, 255, 0.92), rgba(237, 244, 255, 0.72));
}

.section-soft::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(36, 92, 255, 0.04), transparent);
  pointer-events: none;
}

.advantage-grid,
.business-grid,
.scenario-grid,
.capability-layout,
.pricing-layout,
.process-grid,
.case-grid,
.industry-grid,
.company-layout,
.support-grid,
.guarantee-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
}

.advantage-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.business-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.business-shell {
  padding: 34px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 10% 14%, rgba(36, 92, 255, 0.08), transparent 24%),
    radial-gradient(circle at 88% 18%, rgba(43, 188, 204, 0.08), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(242, 247, 255, 0.92));
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 18px 40px rgba(17, 55, 118, 0.08);
  position: relative;
  overflow: hidden;
}

.business-shell::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 24px;
  border: 1px solid rgba(36, 92, 255, 0.08);
  pointer-events: none;
}

.company-panel {
  padding: 30px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(246, 249, 255, 0.84));
  border: 1px solid rgba(188, 205, 235, 0.74);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}

.company-panel article {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.company-panel article:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.company-panel strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text-strong);
  font-size: 1.08rem;
}

.company-panel p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.8;
}

.company-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, rgba(36, 92, 255, 0.68), rgba(43, 188, 204, 0.38));
}

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

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.case-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.industry-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.support-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.guarantee-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.advantage-card,
.business-card,
.scenario-card,
.process-card,
.pricing-card,
.case-card,
.support-card,
.guarantee-card {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.business-card {
  grid-column: span 4;
  background: rgba(255, 255, 255, 0.9);
  position: relative;
  overflow: hidden;
}

.business-card-large {
  grid-column: span 6;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(243, 247, 255, 0.96));
  box-shadow: 0 18px 38px rgba(17, 55, 118, 0.08);
}

.business-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, rgba(36, 92, 255, 0.75), rgba(43, 188, 204, 0.45));
}

.card-lift:hover,
.card-lift:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 22px 46px rgba(17, 55, 118, 0.11);
  border-color: var(--line-strong);
}

.advantage-icon,
.process-card span,
.business-badge {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(36, 92, 255, 0.08), rgba(43, 188, 204, 0.12));
  color: var(--brand);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.business-badge {
  width: auto;
  min-width: 60px;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(36, 92, 255, 0.08);
  font-size: 0.78rem;
}

.process-card span {
  width: auto;
  min-width: 68px;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(36, 92, 255, 0.08);
  font-size: 0.78rem;
}

.support-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 12px 28px rgba(17, 55, 118, 0.06);
  position: relative;
  overflow: hidden;
}

.support-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, rgba(36, 92, 255, 0.72), rgba(43, 188, 204, 0.4));
}

.support-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, rgba(36, 92, 255, 0.08), rgba(43, 188, 204, 0.12));
  color: var(--brand);
  font-size: 0.9rem;
  font-weight: 800;
}

.support-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.support-strip span {
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(188, 205, 235, 0.82);
  color: var(--text-strong);
  font-size: 0.92rem;
  font-weight: 600;
}

.guarantee-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 8px 20px rgba(17, 55, 118, 0.04);
}

.guarantee-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text-strong);
  font-size: 1rem;
}

.guarantee-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.76;
}

.promise-panel {
  margin-top: 24px;
  padding: 24px 24px 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(244, 248, 255, 0.9));
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 10px 24px rgba(17, 55, 118, 0.05);
}

.promise-panel h3 {
  margin: 0 0 10px;
  color: var(--text-strong);
  font-size: 1.08rem;
}

.promise-panel p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.8;
}

.process-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(246, 249, 255, 0.88));
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 12px 26px rgba(17, 55, 118, 0.06);
  position: relative;
  overflow: hidden;
}

.process-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, rgba(36, 92, 255, 0.72), rgba(43, 188, 204, 0.42));
}

.advantage-card h3,
.business-card h3,
.scenario-card h3 {
  margin: 16px 0 10px;
  color: var(--text-strong);
  font-size: 1.12rem;
}

.business-card,
.scenario-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.business-points {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--text-muted);
  line-height: 1.72;
}

.business-points li + li {
  margin-top: 4px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  color: var(--brand);
  font-weight: 700;
}

.product-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.business-card:hover .product-link::after {
  transform: translateX(3px);
}

.product-link-disabled {
  color: var(--text-light);
}

.product-link-disabled::after {
  display: none;
}

.scenario-value,
.scenario-user {
  margin: 0 0 14px;
}

.scenario-user {
  color: var(--text-strong);
  font-weight: 600;
}

.capability-main,
.capability-list,
.pricing-copy,
.pricing-cards {
  padding: 30px;
}

.capability-main {
  display: grid;
  gap: 16px;
}

.capability-block {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.capability-block:last-child {
  border-bottom: 0;
}

.capability-list {
  display: grid;
  gap: 14px;
}

.capability-list span {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(188, 205, 235, 0.82);
}

.pricing-copy h2 {
  font-size: clamp(1.85rem, 2.8vw, 2.5rem);
}

.pricing-cards {
  display: grid;
  gap: 18px;
}

.pricing-card {
  padding: 26px 24px;
}

.industry-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 10px 24px rgba(17, 55, 118, 0.05);
  color: var(--text-strong);
  font-weight: 600;
  text-align: center;
}

.faq-list,
.contact-box {
  padding: 30px;
}

.faq-list {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(247, 250, 255, 0.86));
}

.faq-heading {
  margin-bottom: 10px;
}

.faq-heading h2 {
  margin: 0 0 10px;
  color: var(--text-strong);
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 2.8vw, 2.4rem);
  letter-spacing: -0.035em;
}

.faq-heading p {
  margin: 0 0 8px;
  color: var(--text-muted);
  line-height: 1.8;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  padding: 20px 22px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 8px 22px rgba(18, 53, 112, 0.03);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-list details[open] {
  border-color: rgba(36, 92, 255, 0.22);
  box-shadow: 0 14px 30px rgba(36, 92, 255, 0.08);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--text-strong);
  padding-right: 28px;
  position: relative;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 0;
  right: 0;
  color: var(--brand);
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  margin: 12px 0 0;
}

.contact-box p {
  max-width: 38em;
}

.contact-box h2 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 2.8vw, 2.4rem);
  letter-spacing: -0.035em;
}

.contact-box {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(243, 247, 255, 0.9));
  position: relative;
  overflow: hidden;
}

.contact-box::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 22px;
  border: 1px solid rgba(36, 92, 255, 0.08);
  pointer-events: none;
}

.contact-items {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.contact-items a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand);
  font-weight: 700;
}

.contact-items a::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--cyan));
  box-shadow: 0 0 0 5px rgba(36, 92, 255, 0.08);
}

.contact-promises {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.contact-promises article {
  padding: 18px 18px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(188, 205, 235, 0.82);
  box-shadow: 0 8px 20px rgba(17, 55, 118, 0.04);
  position: relative;
  overflow: hidden;
}

.contact-promises strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text-strong);
  font-size: 1rem;
}

.contact-promises span {
  color: var(--text-muted);
  line-height: 1.72;
}

.contact-promises article::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, rgba(36, 92, 255, 0.68), rgba(43, 188, 204, 0.38));
}

.site-footer {
  padding: 30px 0 60px;
}

section[id] {
  scroll-margin-top: 104px;
}

.footer-grid {
  grid-template-columns: 1.2fr 0.9fr 0.9fr 0.8fr;
  gap: 24px;
  padding: 28px;
}

.footer-column,
.footer-brand {
  display: grid;
  gap: 12px;
  align-content: start;
}

.footer-column h2 {
  margin: 0 0 6px;
  color: var(--text-strong);
  font-size: 1rem;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: var(--brand);
  outline: none;
}

.company-mark,
.post-card-badge,
.pagebar-item,
.article-tag-list a,
.crumb-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
}

.company-mark {
  min-width: 62px;
  margin-bottom: 12px;
  padding: 0 12px;
  height: 34px;
  background: rgba(36, 92, 255, 0.08);
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-hero {
  padding: 54px 0 28px;
}

.page-hero-shell,
.empty-state,
.not-found-card,
.article-card,
.article-cta,
.post-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(188, 205, 235, 0.8);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.page-hero-shell,
.not-found-card {
  padding: 44px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 12% 14%, rgba(36, 92, 255, 0.1), transparent 22%),
    radial-gradient(circle at 88% 18%, rgba(43, 188, 204, 0.1), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(243, 247, 255, 0.9));
}

.page-hero-shell h1,
.not-found-card h1 {
  margin: 16px 0 12px;
  color: var(--text-strong);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.page-hero-copy,
.page-hero-note {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.82;
}

.page-hero-note {
  margin-top: 14px;
  color: var(--text-light);
  font-weight: 600;
}

.content-stack {
  display: grid;
  gap: 24px;
  max-width: 940px;
  margin: 0 auto;
}

.post-card {
  padding: 30px;
  border-radius: var(--radius-lg);
}

.post-card-head,
.post-card-meta,
.crumb-group,
.article-meta,
.article-cta-actions,
.pagebar-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.post-card-head {
  justify-content: space-between;
}

.post-card-badge {
  min-height: 34px;
  padding: 0 14px;
  background: rgba(36, 92, 255, 0.08);
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 700;
}

.post-card-head time,
.article-meta,
.crumb-group {
  color: var(--text-light);
  font-size: 0.94rem;
}

.post-card h2 {
  margin: 16px 0 14px;
  font-size: clamp(1.45rem, 2.2vw, 1.95rem);
  line-height: 1.35;
}

.post-card h2 a:hover,
.post-card h2 a:focus-visible,
.crumb-link:hover,
.crumb-link:focus-visible {
  color: var(--brand);
  outline: none;
}

.post-card-excerpt,
.post-card-excerpt p {
  color: var(--text-muted);
  line-height: 1.84;
}

.post-card-excerpt p:first-child {
  margin-top: 0;
}

.post-card-excerpt p:last-child {
  margin-bottom: 0;
}

.post-card-meta {
  margin-top: 20px;
  color: var(--text-light);
  font-size: 0.94rem;
}

.post-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--brand);
  font-weight: 700;
}

.post-card-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.post-card:hover .post-card-link::after {
  transform: translateX(3px);
}

.pagebar-nav {
  gap: 10px;
  margin-top: 6px;
}

.pagebar-item {
  min-width: 44px;
  min-height: 44px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(188, 205, 235, 0.84);
  color: var(--text-muted);
  font-weight: 600;
}

.pagebar-item.is-current,
.pagebar-item:hover,
.pagebar-item:focus-visible {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #6397ff);
  border-color: transparent;
  outline: none;
}

.empty-state,
.article-cta {
  padding: 32px;
  border-radius: var(--radius-xl);
}

.empty-state h2,
.article-cta h2 {
  margin: 0 0 12px;
  color: var(--text-strong);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.4vw, 2.2rem);
}

.empty-state p,
.article-cta p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.82;
}

.empty-state .button {
  margin-top: 24px;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.62fr);
  gap: 24px;
  align-items: start;
}

.article-card {
  padding: 38px;
  border-radius: var(--radius-xl);
}

.article-content {
  color: var(--text);
  line-height: 1.9;
  font-size: 1rem;
}

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

.article-content > :last-child {
  margin-bottom: 0;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text-strong);
  line-height: 1.35;
  margin-top: 1.8em;
  margin-bottom: 0.7em;
}

.article-content p,
.article-content ul,
.article-content ol,
.article-content blockquote,
.article-content pre,
.article-content table {
  margin: 1em 0;
}

.article-content a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: rgba(36, 92, 255, 0.25);
  text-underline-offset: 3px;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 16px 36px rgba(17, 55, 118, 0.08);
}

.article-content blockquote {
  margin-left: 0;
  padding: 18px 20px;
  border-left: 4px solid rgba(36, 92, 255, 0.28);
  background: rgba(36, 92, 255, 0.05);
  border-radius: 0 18px 18px 0;
  color: var(--text-muted);
}

.article-content pre,
.article-content code {
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

.article-content pre {
  padding: 18px;
  overflow-x: auto;
  border-radius: 18px;
  background: #0f1b2e;
  color: #f5f8ff;
}

.article-content code {
  padding: 0.15em 0.38em;
  border-radius: 8px;
  background: rgba(36, 92, 255, 0.08);
}

.article-content pre code {
  padding: 0;
  background: transparent;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
}

.article-content th,
.article-content td {
  padding: 12px 14px;
  border: 1px solid rgba(188, 205, 235, 0.78);
  text-align: left;
}

.article-content th {
  background: rgba(36, 92, 255, 0.07);
  color: var(--text-strong);
}

.article-tags {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(188, 205, 235, 0.72);
}

.article-tags strong {
  display: block;
  margin-bottom: 12px;
  color: var(--text-strong);
}

.article-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.article-tag-list a,
.crumb-link {
  min-height: 38px;
  padding: 0 14px;
  background: rgba(36, 92, 255, 0.08);
  color: var(--brand);
  font-size: 0.92rem;
  font-weight: 600;
}

.article-cta {
  position: sticky;
  top: 110px;
}

.article-cta-actions {
  margin-top: 22px;
}

.not-found-shell {
  padding-bottom: 48px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid rgba(36, 92, 255, 0.35);
  outline-offset: 3px;
}

@media (max-width: 1200px) {
  .hero-shell,
  .faq-layout,
  .footer-grid,
  .capability-layout,
  .pricing-layout,
  .company-layout,
  .article-shell {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .advantage-grid,
  .business-grid,
  .scenario-grid,
  .process-grid,
  .case-grid,
  .industry-grid,
  .support-grid,
  .guarantee-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-intro {
    padding: 60px 48px;
  }

  .hero-value-grid,
  .process-grid,
  .case-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .business-card,
  .business-card-large {
    grid-column: auto;
  }
}

@media (max-width: 920px) {
  .site-nav {
    position: relative;
    border-radius: 28px;
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .nav-panel {
    position: absolute;
    top: calc(100% + 14px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-panel.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links,
  .nav-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .nav-dropdown,
  .nav-link,
  .nav-dropdown-toggle,
  .nav-actions .button {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    min-width: auto;
    margin-top: 8px;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    display: none;
    box-shadow: none;
  }

  .nav-dropdown.is-open .dropdown-menu {
    display: grid;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button,
  .nav-link,
  .nav-dropdown-toggle {
    width: 100%;
  }

  .advantage-grid,
  .business-grid,
  .scenario-grid,
  .process-grid,
  .case-grid,
  .hero-value-grid,
  .industry-grid,
  .support-grid,
  .guarantee-grid {
    grid-template-columns: 1fr;
  }

  .business-card,
  .business-card-large {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  :root {
    --container: calc(100vw - 28px);
  }

  .hero-banner {
    padding: 26px 0 62px;
  }

  .section {
    padding: 82px 0;
  }

  .hero-intro,
  .hero-side,
  .advantage-card,
  .business-card,
  .scenario-card,
  .faq-list,
  .contact-box,
  .footer-grid,
  .capability-main,
  .capability-list,
  .pricing-copy,
  .pricing-cards,
  .process-card,
  .pricing-card,
  .case-card,
  .support-card,
  .guarantee-card,
  .page-hero-shell,
  .empty-state,
  .article-card,
  .article-cta,
  .post-card,
  .not-found-card {
    padding: 24px;
  }

  .hero-intro h1,
  .section-heading h2,
  .contact-box h2,
  .pricing-copy h2,
  .page-hero-shell h1,
  .not-found-card h1 {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

  .support-strip {
    flex-direction: column;
  }

  .post-card-head,
  .post-card-meta,
  .crumb-group,
  .article-meta,
  .article-cta-actions,
  .pagebar-nav {
    gap: 10px;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}