:root {
  --ink: #1f2433;
  --muted: #6d7486;
  --soft: #eef1ff;
  --line: rgba(255, 255, 255, 0.68);
  --brand: #7767ff;
  --brand-strong: #5142dc;
  --mint: #79d7bf;
  --peach: #ffc9b6;
  --paper: rgba(255, 255, 255, 0.74);
  --shadow: 0 28px 80px rgba(70, 71, 117, 0.18);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 12%, rgba(255, 201, 182, 0.58), transparent 28rem),
    radial-gradient(circle at 82% 10%, rgba(121, 215, 191, 0.38), transparent 26rem),
    radial-gradient(circle at 52% 56%, rgba(119, 103, 255, 0.22), transparent 34rem),
    linear-gradient(145deg, #fbf9ff 0%, #edf5ff 46%, #fff8f1 100%);
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.38) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.32) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 78%);
}

a {
  color: inherit;
}

main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: clamp(2rem, 7vw, 5rem);
  align-items: center;
  min-height: 100vh;
  padding: 56px 0 64px;
}

.hero__content {
  max-width: 680px;
}

.eyebrow,
.section__kicker {
  margin: 0 0 16px;
  color: var(--brand-strong);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.3rem, 8vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: -0.075em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.hero__lead,
.section > p,
.cta p {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(82, 75, 150, 0.12);
}

.button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #a66cff);
}

.button--secondary {
  color: var(--brand-strong);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: #596175;
  font-size: 0.94rem;
}

.trust-list span {
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.54);
}

.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero__visual::before {
  position: absolute;
  width: 86%;
  aspect-ratio: 1;
  content: "";
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.95), rgba(119, 103, 255, 0.16) 52%, transparent 72%);
  filter: blur(10px);
}

.hero__visual img {
  position: relative;
  width: min(100%, 390px);
  height: auto;
  border-radius: 36px;
  filter: drop-shadow(0 32px 60px rgba(57, 58, 88, 0.24));
}

.section {
  margin: 0 0 28px;
  padding: clamp(34px, 6vw, 68px);
  border: 1px solid var(--line);
  border-radius: 36px;
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.intro {
  margin-top: -16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.feature-card {
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 44px rgba(78, 81, 126, 0.12);
  backdrop-filter: blur(20px);
}

.feature-card__icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 28px;
  color: var(--brand-strong);
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(119, 103, 255, 0.18), rgba(121, 215, 191, 0.2));
  font-weight: 900;
}

.feature-card p,
.highlight span,
.steps span,
.cta__note {
  color: var(--muted);
}

.flow {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 32px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 22px 22px 22px 74px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.58);
}

.steps li::before {
  position: absolute;
  top: 20px;
  left: 22px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  content: counter(step);
  counter-increment: step;
  color: #fff;
  border-radius: 999px;
  background: var(--brand);
  font-size: 0.9rem;
  font-weight: 900;
}

.steps strong,
.steps span {
  display: block;
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.highlight {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.52);
}

.highlight strong,
.highlight span {
  display: block;
}

.highlight strong {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.cta {
  margin-bottom: 56px;
  text-align: center;
}

.cta h2,
.cta p {
  margin-right: auto;
  margin-left: auto;
}

.cta .button {
  margin-top: 12px;
}

.cta__note {
  margin-top: 18px;
  font-size: 0.95rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 34px;
  color: #7a8295;
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .hero,
  .flow {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero__visual {
    order: -1;
  }

  .hero__visual img {
    width: min(74vw, 340px);
  }

  .feature-grid,
  .highlights {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  main,
  .site-footer {
    width: min(100% - 24px, 1120px);
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.2rem);
  }

  .section {
    padding: 28px;
    border-radius: 28px;
  }

  .feature-grid,
  .highlights {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
  }

  .hero__actions .button {
    width: 100%;
  }
}