:root {
  --bg: #efe2ff;
  --bg-soft: #fffaf4;
  --text: #171717;
  --muted: #585565;
  --line: rgba(57, 36, 95, 0.12);
  --violet: #7b58f4;
  --violet-deep: #5d35e6;
  --violet-soft: #e4d8ff;
  --gold: #ffcc4d;
  --gold-soft: #fff0b8;
  --white: #ffffff;
  --shadow: 0 26px 60px rgba(88, 61, 178, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: linear-gradient(135deg, #eddcff 0%, #f6ecff 28%, #fff8ef 100%);
  overflow-x: hidden;
}

a {
  color: inherit;
}

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.page-orb {
  position: fixed;
  z-index: -2;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.8;
}

.page-orb--left {
  top: -120px;
  left: -80px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(123, 88, 244, 0.28), rgba(123, 88, 244, 0));
}

.page-orb--right {
  right: -120px;
  bottom: 120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 204, 77, 0.24), rgba(255, 204, 77, 0));
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: 24px;
  pointer-events: none;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 18px 12px 20px;
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.6)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.12));
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    0 18px 48px rgba(94, 69, 162, 0.1);
  pointer-events: auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.logo__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo__text strong {
  font-size: 16px;
}

.logo__text small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-left: auto;
  margin-right: auto;
}

.nav a {
  padding: 8px 0;
  text-decoration: none;
  font-size: 14px;
  color: var(--text);
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar__link {
  display: none;
}

.nav-cta {
  padding: 12px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 12px 24px rgba(123, 88, 244, 0.18);
}

.hero {
  padding: 18px 0 12px;
}

.hero__panel {
  padding: 48px 52px 28px;
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.kicker,
.section-tag {
  margin: 0 0 18px;
  color: var(--violet-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__copy {
  max-width: 840px;
  margin: 0 auto;
  text-align: center;
}

.hero h1,
.section-heading h2,
.cta-band h2,
.band-copy h2 {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(36px, 5.1vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero__lead,
.section-heading p,
.proof-item p,
.service-card p,
.benefit-card p,
.process-step p,
.case-card p,
.faq-list p,
.cta-band p,
.footer__text,
.hero-card p,
.band-copy p {
  color: var(--muted);
  line-height: 1.8;
}

.hero__lead {
  max-width: 720px;
  margin: 18px auto 0;
  font-size: 18px;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 154px;
  padding: 15px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.button--primary {
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: var(--white);
  box-shadow: 0 16px 28px rgba(123, 88, 244, 0.25);
}

.button--secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

.button--large {
  min-width: 176px;
}

.hero__visual {
  margin-top: 42px;
}

.cta-band h2,
.band-copy h2,
.section-heading h2 {
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1.08;
}

.service-card h3,
.benefit-card h3,
.process-step h3,
.case-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.process-step span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: var(--white);
  font-weight: 800;
}

.hero-showcase {
  overflow: hidden;
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(123, 88, 244, 0.08), rgba(255, 255, 255, 0.92));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
}

.hero-showcase__art {
  display: block;
  width: 100%;
  height: auto;
}

.proof {
  padding: 22px 0 0;
}

.proof__strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.proof-item,
.service-card,
.benefit-card,
.process-step,
.case-card,
.faq-list details {
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.proof-item {
  padding: 18px 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.85);
}

.proof-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.section {
  padding-top: 78px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 30px;
}

.section--band {
  margin-top: 78px;
  padding: 62px 0;
  background: linear-gradient(135deg, #6d45ef 0%, #7f58f4 100%);
}

.section-tag--light,
.band-copy h2,
.band-copy p {
  color: var(--white);
}

.band-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 26px;
  align-items: start;
}

.service-grid,
.benefit-grid,
.process-grid,
.case-grid {
  display: grid;
  gap: 18px;
}

.service-grid,
.case-grid {
  grid-template-columns: repeat(3, 1fr);
}

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

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

.service-card,
.benefit-card,
.process-step,
.case-card {
  padding: 26px 24px;
  border-radius: 30px;
}

.service-card--soft,
.case-card--soft {
  background: rgba(255, 255, 255, 0.88);
}

.service-card--violet,
.case-card--violet {
  background: linear-gradient(180deg, #8a66ff, #724cf4);
  color: var(--white);
}

.service-card--violet p,
.case-card--violet p,
.service-card--violet h3,
.case-card--violet h3 {
  color: var(--white);
}

.service-card--gold,
.case-card--gold {
  background: linear-gradient(180deg, #ffe086, #ffd156);
}

.benefit-card {
  background: rgba(255, 255, 255, 0.16);
  color: var(--white);
}

.benefit-card h3,
.benefit-card p {
  color: var(--white);
}

.process-step {
  background: rgba(255, 255, 255, 0.86);
}

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

.faq-list details {
  padding: 22px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-size: 19px;
  font-weight: 800;
}

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

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

.cta-band {
  padding: 82px 0 40px;
}

.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.footer {
  padding: 0 0 26px;
}

.footer__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.footer__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
}

.footer__text {
  margin: 0;
  font-size: 14px;
}

.footer__record {
  color: var(--violet-deep);
  font-size: 14px;
  text-decoration: none;
}

.footer__record:hover,
.footer__record:focus-visible {
  text-decoration: underline;
}

@media (max-width: 1080px) {
  .band-layout {
    grid-template-columns: 1fr;
  }

  .proof__strip,
  .service-grid,
  .case-grid,
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .cta-band__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 20px, 1160px);
  }

  .topbar__inner {
    flex-wrap: wrap;
    border-radius: 28px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 18px;
  }

  .hero__panel,
  .proof__strip,
  .service-grid,
  .benefit-grid,
  .process-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .hero__panel {
    padding: 28px 20px 20px;
    border-radius: 30px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .section-heading h2,
  .band-copy h2,
  .cta-band h2 {
    font-size: 32px;
  }

  .hero__lead {
    font-size: 16px;
  }

  .cta-band__inner,
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__record {
    align-self: flex-end;
  }
}