:root {
  --paper: #f7f2e9;
  --paper-soft: #fbf8f2;
  --ink: #2a2520;
  --muted: #756b60;
  --line: #e4dacb;
  --water: #dce8e6;
  --water-deep: #8aa9a5;
  --card: rgba(255, 252, 246, 0.82);
  --shadow: 0 18px 44px rgba(67, 58, 45, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 12%, rgba(220, 232, 230, 0.72), transparent 30%),
    radial-gradient(circle at 82% 8%, rgba(239, 224, 200, 0.78), transparent 28%),
    linear-gradient(180deg, var(--paper-soft), var(--paper));
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header,
.site-footer,
.section-inner,
.legal-shell {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
}

.brand {
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a {
  text-decoration: none;
}

.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  align-items: center;
  padding: 36px 0 72px;
}

.hero-inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 52px;
  align-items: center;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--water-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
}

h1 {
  max-width: 660px;
  font-size: clamp(46px, 8vw, 88px);
  font-weight: 650;
  letter-spacing: 0.04em;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.5vw, 23px);
}

.hero-actions,
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 10px 20px;
  text-decoration: none;
  font-weight: 600;
}

.button.secondary {
  border-color: var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.36);
}

.visual-card {
  position: relative;
  min-height: 500px;
  border: 1px solid rgba(228, 218, 203, 0.9);
  border-radius: 36px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.94), rgba(242, 236, 226, 0.88)),
    var(--card);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.visual-card::before,
.visual-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(138, 169, 165, 0.26);
}

.visual-card::before {
  width: 360px;
  height: 120px;
  left: -54px;
  bottom: 92px;
  transform: rotate(-8deg);
}

.visual-card::after {
  width: 440px;
  height: 150px;
  right: -128px;
  bottom: 34px;
  transform: rotate(-7deg);
}

.phone-panel {
  position: absolute;
  inset: 34px 28px;
  border: 1px solid rgba(42, 37, 32, 0.1);
  border-radius: 30px;
  background: rgba(255, 252, 246, 0.78);
  padding: 28px 24px;
}

.phone-title {
  color: var(--muted);
  font-size: 14px;
}

.matter-line {
  margin: 48px 0 0;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(42, 37, 32, 0.14);
  font-size: 22px;
  letter-spacing: 0.02em;
}

.choice-stack {
  position: absolute;
  right: 24px;
  bottom: 28px;
  left: 24px;
  display: grid;
  gap: 12px;
}

.choice {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
  padding: 14px 16px;
  color: var(--muted);
}

.section {
  padding: 76px 0;
  border-top: 1px solid rgba(228, 218, 203, 0.72);
}

.section-surface {
  background: rgba(255, 255, 255, 0.28);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

h2 {
  font-size: clamp(30px, 4.5vw, 46px);
  font-weight: 620;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 19px;
}

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

.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  box-shadow: 0 12px 30px rgba(67, 58, 45, 0.05);
  padding: 24px;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.legal-shell {
  max-width: 820px;
  padding: 42px 0 70px;
}

.legal-shell h1 {
  max-width: none;
  font-size: clamp(36px, 7vw, 62px);
}

.legal-intro {
  margin: 18px 0 34px;
  color: var(--muted);
  font-size: 18px;
}

.legal-section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.legal-section h2 {
  margin-bottom: 12px;
  font-size: 25px;
}

.legal-section p,
.legal-section li {
  color: var(--muted);
}

.legal-section ul {
  margin: 12px 0 0;
  padding-left: 1.2em;
}

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

.info-row {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 252, 246, 0.62);
  padding: 16px 18px;
}

.info-row span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.info-row strong,
.info-row a {
  display: block;
  margin-top: 4px;
  font-size: 17px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding: 32px 0 42px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: auto;
    padding-top: 20px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .visual-card {
    min-height: 420px;
  }

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

@media (max-width: 520px) {
  .site-header,
  .site-footer,
  .section-inner,
  .legal-shell,
  .hero-inner {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    letter-spacing: 0.02em;
  }

  .hero-copy,
  .lead {
    font-size: 17px;
  }

  .section {
    padding: 58px 0;
  }

  .phone-panel {
    inset: 22px 18px;
    padding: 22px 18px;
  }
}