:root {
  --bg: #f4f8ff;
  --bg-soft: rgba(255, 255, 255, 0.72);
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: #ffffff;
  --line: rgba(12, 59, 140, 0.12);
  --line-strong: rgba(14, 106, 255, 0.2);
  --text: #10213f;
  --muted: #5a6b88;
  --blue: #0f67ff;
  --blue-deep: #123ccf;
  --cyan: #25c0ff;
  --accent: linear-gradient(135deg, #123ccf 0%, #1595ff 52%, #5ad7ff 100%);
  --shadow: 0 24px 60px rgba(25, 72, 155, 0.14);
  --shadow-soft: 0 10px 30px rgba(23, 66, 140, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(34, 194, 255, 0.26), transparent 28%),
    radial-gradient(circle at top right, rgba(19, 60, 207, 0.2), transparent 24%),
    linear-gradient(180deg, #f9fbff 0%, #eef5ff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(19, 60, 207, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 60, 207, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 86%);
  pointer-events: none;
}

.page-shell {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
  padding-bottom: 40px;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
  padding: 16px 22px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.brand-name,
.brand-tag,
.card-label,
.site-footer p,
.platform-strip p {
  margin: 0;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.brand-tag {
  color: var(--muted);
  font-size: 0.9rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  transition: 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: rgba(18, 60, 207, 0.06);
}

.site-nav a.is-active {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 12px 30px rgba(19, 60, 207, 0.2);
}

.site-nav .nav-cta {
  color: var(--muted);
  background: transparent;
}

.site-nav .nav-cta.is-active {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 12px 30px rgba(19, 60, 207, 0.2);
}

.hero,
.section,
.platform-strip {
  position: relative;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 32px;
  padding: 72px 0 42px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border: 1px solid rgba(21, 149, 255, 0.15);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.78);
}

.hero h1,
.section h2,
.contact-card h2 {
  margin: 20px 0 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(2.9rem, 5vw, 5.6rem);
  max-width: 10ch;
}

.hero-text,
.hero-subtext,
.section-heading p,
.content-card p,
.contrast-card p,
.feature-item p,
.timeline-item p,
.process-card p,
.about-layout p,
.contact-card p,
.intro-grid p,
.signal-card p,
.data-item strong {
  color: var(--muted);
  line-height: 1.78;
}

.hero-text {
  font-size: 1.16rem;
  margin: 24px 0 0;
  max-width: 620px;
}

.hero-text strong {
  color: var(--text);
}

.hero-subtext {
  max-width: 620px;
  margin-top: 10px;
}

.hero-actions,
.contact-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 18px 38px rgba(19, 60, 207, 0.22);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line-strong);
}

.contact-phone-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 220px;
  padding: 16px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.contact-phone-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-phone-number {
  margin-top: 6px;
  color: var(--blue-deep);
  font-size: 1.45rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.contact-side-card {
  min-width: 280px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.contact-side-label {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-size: 0.84rem;
  font-weight: 700;
}

.contact-side-card h3 {
  margin: 0 0 10px;
  font-size: 1.02rem;
}

.contact-side-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.hero-points li,
.signal-card,
.content-card,
.contrast-card,
.process-card,
.feature-item,
.data-board,
.timeline-item,
.platform-list span,
.contact-card,
.intro-grid,
.site-footer {
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.hero-points li {
  padding: 16px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text);
}

.hero-panel {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(233, 243, 255, 0.8)),
    linear-gradient(135deg, rgba(18, 60, 207, 0.14), rgba(37, 192, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: auto -90px -130px auto;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(32, 175, 255, 0.26), transparent 70%);
}

.signal-grid,
.card-grid,
.process-grid,
.faq-list {
  display: grid;
  gap: 18px;
}

.section-visual {
  margin-top: 30px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.section-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-visual {
  margin-top: 0;
  margin-bottom: 18px;
}

.about-visual img {
  max-height: 520px;
  object-fit: cover;
}

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

.signal-card {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-lg);
}

.primary-card {
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(18, 60, 207, 0.97), rgba(24, 149, 255, 0.9));
}

.primary-card h2,
.primary-card p,
.primary-card .card-label {
  color: #fff;
}

.card-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-card h2,
.signal-card h3,
.content-card h3,
.contrast-card h3,
.feature-item h3,
.timeline-item h3,
.process-card h3 {
  margin: 10px 0 0;
}

.signal-card h3 {
  font-size: 1.7rem;
}

.platform-strip {
  margin: 12px 0 10px;
  padding: 20px 26px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow-soft);
}

.platform-strip p {
  color: var(--muted);
  font-size: 0.92rem;
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.platform-list span {
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  color: var(--blue-deep);
}

.section {
  padding: 96px 0 0;
}

.section-heading {
  max-width: 760px;
}

.section h2,
.contact-card h2 {
  font-size: clamp(2rem, 3.2vw, 3.4rem);
}

.section-heading p {
  margin-top: 14px;
}

.intro-grid,
.about-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  margin-top: 34px;
  padding: 30px;
  border-radius: var(--radius-xl);
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.content-card,
.contrast-card,
.process-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(18, 60, 207, 0.08);
  color: var(--blue-deep);
  font-weight: 800;
}

.contrast-section {
  padding-top: 110px;
}

.contrast-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.advantages-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  margin-top: 34px;
}

.advantages-list {
  display: grid;
  gap: 18px;
}

.feature-item {
  padding: 24px 26px;
  border-radius: var(--radius-lg);
}

.data-board {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 24px;
  border-radius: var(--radius-xl);
}

.data-item {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(18, 60, 207, 0.08);
  background: rgba(246, 250, 255, 0.92);
}

.data-kicker {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-size: 0.84rem;
  font-weight: 700;
}

.timeline {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.faq-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 34px;
}

.faq-item {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.faq-item h3 {
  margin: 0 0 12px;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
}

.about-copy {
  display: grid;
  gap: 18px;
}

.about-copy p {
  margin: 0;
}

.about-highlights {
  display: grid;
  gap: 16px;
}

.about-card {
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(18, 60, 207, 0.08);
  background: rgba(246, 250, 255, 0.92);
}

.about-card-label {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-size: 0.84rem;
  font-weight: 700;
}

.about-card h3 {
  margin: 0 0 10px;
}

.about-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.timeline-item {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 20px;
  padding: 24px 26px;
  border-radius: var(--radius-lg);
}

.timeline-step,
.process-card strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  font-weight: 800;
  color: #fff;
  background: var(--accent);
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 34px;
}

.process-card strong {
  margin-bottom: 18px;
}

.contact-section {
  padding-top: 110px;
}

.contact-card {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 38px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.contact-copy {
  max-width: 720px;
}

.contact-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.contact-highlight {
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.contact-highlight h3 {
  margin: 0 0 10px;
  font-size: 1.02rem;
}

.contact-highlight p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.contact-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.contact-points li {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.62);
  color: var(--text);
  line-height: 1.6;
  box-shadow: var(--shadow-soft);
}

.contact-card::after {
  content: "";
  position: absolute;
  inset: auto -120px -120px auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 154, 255, 0.28), transparent 70%);
}

.site-footer {
  margin-top: 38px;
  padding: 20px 26px;
  border-radius: 20px;
  text-align: center;
  color: var(--muted);
}

.sticky-qr-box {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 278px;
  min-height: 300px;
  padding: 22px 22px 20px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 28px;
  background: rgba(10, 24, 58, 0.82);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 60px rgba(7, 20, 51, 0.28);
}

.sticky-qr-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--accent);
  white-space: nowrap;
}

.sticky-qr-box h3,
.sticky-qr-box p,
.sticky-qr-note {
  margin: 0;
}

.sticky-qr-box h3 {
  color: #fff;
  font-size: 1.35rem;
  line-height: 1.2;
}

.sticky-qr-box p {
  text-align: center;
  color: rgba(226, 238, 255, 0.78);
  font-size: 0.98rem;
  line-height: 1.5;
}

.qr-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  width: 176px;
  height: 176px;
  padding: 10px;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(231, 242, 255, 0.94)),
    repeating-linear-gradient(
      0deg,
      rgba(18, 60, 207, 0.08) 0,
      rgba(18, 60, 207, 0.08) 6px,
      rgba(255, 255, 255, 0.5) 6px,
      rgba(255, 255, 255, 0.5) 12px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(18, 60, 207, 0.08) 0,
      rgba(18, 60, 207, 0.08) 6px,
      rgba(255, 255, 255, 0.5) 6px,
      rgba(255, 255, 255, 0.5) 12px
    );
  box-shadow: inset 0 0 0 1px rgba(18, 60, 207, 0.12);
}

.qr-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
}

.sticky-qr-note {
  max-width: 190px;
  text-align: center;
  color: rgba(226, 238, 255, 0.88);
  font-size: 0.92rem;
  line-height: 1.5;
}

@media (max-width: 1080px) {
  .hero,
  .advantages-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .services-grid,
  .contrast-grid,
  .process-grid,
  .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .contact-card {
    display: grid;
  }

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

@media (max-width: 860px) {
  .page-shell {
    width: min(calc(100% - 24px), var(--container));
  }

  .site-header {
    position: static;
    border-radius: 28px;
    padding: 18px;
  }

  .site-header,
  .site-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
  }

  .hero {
    padding-top: 44px;
  }

  .signal-grid,
  .services-grid,
  .contrast-grid,
  .process-grid,
  .faq-list,
  .contact-highlights,
  .intro-grid,
  .about-layout {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .sticky-qr-box {
    right: 14px;
    bottom: 14px;
    width: 238px;
    min-height: 262px;
  }
}

@media (max-width: 560px) {
  .hero h1 {
    max-width: none;
  }

  .hero-panel,
  .platform-strip,
  .intro-grid,
  .contact-card {
    padding: 20px;
  }

  .content-card,
  .contrast-card,
  .process-card,
  .feature-item,
  .timeline-item {
    padding: 22px;
  }

  .button {
    width: 100%;
  }

  .sticky-qr-box {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    bottom: 10px;
    border-radius: 22px;
    width: min(calc(100% - 20px), 248px);
  }

  body {
    padding-bottom: 180px;
  }
}