:root {
  color-scheme: light;
  --bg: #fcfbf9;
  --ink: #2c3a4b;
  --muted: #64748b;
  --soft: #8ba0b8;
  --orange: #d9704a;
  --navy: #07143e;
  --mint: #58a997;
  --lavender: #8f78c8;
  --line: #eee7de;
  --card: rgba(255, 255, 255, 0.86);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 8%, rgba(216, 201, 238, 0.35), transparent 28%),
    radial-gradient(circle at 12% 42%, rgba(255, 218, 202, 0.32), transparent 30%),
    linear-gradient(180deg, #fffdfa 0%, var(--bg) 58%, #ffffff 100%);
}

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

.site {
  min-height: 100vh;
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #725f95;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 19px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--orange);
  box-shadow: 0 12px 30px rgba(217, 112, 74, 0.12);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  padding: 8px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 72px;
  align-items: center;
  padding: 54px 0 96px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 600;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--orange);
}

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

.hero h1 {
  margin-top: 20px;
  max-width: 640px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
  font-weight: 700;
}

.hero-copy {
  margin-top: 24px;
  max-width: 620px;
  color: #6f625b;
  font-size: 18px;
  line-height: 1.85;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 26px;
  padding: 0 22px;
  font-weight: 650;
}

.button.primary {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 18px 40px rgba(7, 20, 62, 0.16);
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.hero-note {
  margin-top: 22px;
  color: var(--soft);
  font-size: 13px;
  line-height: 1.7;
}

.phone-stage {
  position: relative;
  min-height: 640px;
}

.phone-card {
  position: absolute;
  right: 0;
  top: 0;
  width: 340px;
  overflow: hidden;
  border-radius: 46px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(44, 58, 75, 0.16);
  transform: rotate(2deg);
}

.phone-card.back {
  right: 76px;
  top: 84px;
  opacity: 0.66;
  transform: rotate(-7deg) scale(0.86);
}

.phone-card img {
  display: block;
  width: 100%;
  height: auto;
}

.section {
  padding: 86px 0;
}

.section-title {
  max-width: 720px;
}

.section-title h2 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  font-weight: 700;
}

.section-title p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

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

.feature {
  min-height: 210px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 28px;
  background: var(--card);
  padding: 24px;
  box-shadow: 0 14px 34px rgba(30, 41, 59, 0.06);
}

.feature-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 18px;
  background: #fff4ef;
  color: var(--orange);
  font-size: 24px;
}

.feature:nth-child(2) .feature-icon,
.feature:nth-child(5) .feature-icon {
  background: #effaf5;
  color: var(--mint);
}

.feature:nth-child(3) .feature-icon {
  background: #f5f0ff;
  color: var(--lavender);
}

.feature h3 {
  margin-top: 18px;
  font-size: 20px;
}

.feature p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

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

.screen {
  overflow: hidden;
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(44, 58, 75, 0.1);
}

.screen img {
  display: block;
  width: 100%;
  height: auto;
}

.notice {
  border: 1px solid #f3dfd2;
  border-radius: 30px;
  background: linear-gradient(135deg, #fff9f5, rgba(255, 255, 255, 0.88));
  padding: 24px;
  color: #6f625b;
  font-size: 15px;
  line-height: 1.8;
}

.page-main {
  padding: 42px 0 88px;
}

.doc-card {
  max-width: 860px;
  margin: 28px auto 0;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.9);
  padding: clamp(24px, 5vw, 48px);
  box-shadow: 0 18px 44px rgba(44, 58, 75, 0.08);
}

.doc-card h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.16;
}

.doc-card h2 {
  margin-top: 34px;
  font-size: 22px;
}

.doc-card p,
.doc-card li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.doc-card p {
  margin-top: 14px;
}

.doc-card ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.doc-card .lead {
  margin-top: 18px;
  color: #53627a;
  font-size: 17px;
}

.footer {
  border-top: 1px solid rgba(238, 231, 222, 0.7);
  padding: 28px 0 44px;
  color: var(--soft);
  font-size: 13px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 42px;
    padding: 32px 0 72px;
  }

  .phone-stage {
    min-height: 520px;
  }

  .phone-card {
    left: 50%;
    right: auto;
    width: min(310px, 82vw);
    transform: translateX(-38%) rotate(2deg);
  }

  .phone-card.back {
    left: 50%;
    right: auto;
    transform: translateX(-68%) rotate(-7deg) scale(0.82);
  }

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

  .nav {
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }
}