* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #3a3340;
  line-height: 1.75;
  background: #fbf8f6;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.container.narrow {
  max-width: 720px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 248, 246, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(199, 125, 138, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, #d4869a, #b86b82);
  color: #fff;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.logo strong {
  display: block;
  font-size: 16px;
  letter-spacing: 0.04em;
}

.logo small {
  display: block;
  color: #9a8490;
  font-size: 11px;
}

.nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: #6f5f68;
}

.nav a:hover {
  color: #b86b82;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 15%, rgba(232, 180, 184, 0.35), transparent 42%),
    radial-gradient(circle at 10% 80%, rgba(212, 134, 154, 0.18), transparent 38%),
    linear-gradient(160deg, #fff9f7 0%, #f6ece8 55%, #f3e4e8 100%);
  padding: 96px 0 88px;
}

.hero-inner {
  max-width: 760px;
}

.hero-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(184, 107, 130, 0.1);
  color: #a85d72;
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 52px);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #4a3340;
  margin-bottom: 22px;
}

.hero-lead {
  font-size: 18px;
  color: #5c4d55;
  margin-bottom: 28px;
}

.hero-quote {
  padding: 22px 24px;
  border-left: 3px solid #d4869a;
  background: rgba(255, 255, 255, 0.72);
  border-radius: 0 14px 14px 0;
  color: #6f5f68;
  font-size: 16px;
}

/* Sections */
.section {
  padding: 76px 0;
}

.section-soft {
  background: #fff;
}

.section-title {
  text-align: center;
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  color: #4a3340;
}

.section-subtitle {
  text-align: center;
  color: #877680;
  margin-bottom: 44px;
  font-size: 15px;
}

.section-text {
  font-size: 16px;
  color: #5c4d55;
  margin-bottom: 18px;
}

.section-text:last-child {
  margin-bottom: 0;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #fbf8f6;
  border: 1px solid rgba(199, 125, 138, 0.14);
  border-radius: 18px;
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(184, 107, 130, 0.12);
}

.card-icon {
  display: block;
  font-size: 28px;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #4a3340;
}

.card p {
  color: #756770;
  font-size: 14px;
  line-height: 1.7;
}

/* Feature list */
.feature-list {
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(199, 125, 138, 0.12);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list strong {
  color: #b86b82;
  font-size: 15px;
}

.feature-list span {
  color: #5c4d55;
  font-size: 15px;
}

/* Note card */
.section-note {
  padding-top: 0;
  padding-bottom: 88px;
}

.note-card {
  text-align: center;
  background: linear-gradient(180deg, #fff 0%, #faf3f1 100%);
  border: 1px solid rgba(199, 125, 138, 0.14);
  border-radius: 24px;
  padding: 48px 32px;
}

.note-label {
  color: #a85d72;
  font-size: 13px;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.note-card blockquote {
  font-size: clamp(18px, 3vw, 22px);
  line-height: 1.8;
  color: #4a3340;
  font-weight: 500;
}

.note-sign {
  margin-top: 20px;
  color: #9a8490;
  font-size: 14px;
  letter-spacing: 0.08em;
}

/* Footer */
.footer {
  background: #3a2f36;
  color: #c9bcc2;
  padding: 32px 0;
  text-align: center;
  font-size: 14px;
}

.footer-brand {
  color: #f3e8eb;
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}

.footer-beian {
  margin-top: 10px;
  font-size: 12px;
}

.footer-beian a {
  color: #b8a8b0;
  transition: color 0.2s ease;
}

.footer-beian a:hover {
  color: #f3e8eb;
}

.footer-note {
  margin-top: 10px;
  font-size: 12px;
  opacity: 0.65;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .hero {
    padding: 72px 0 64px;
  }

  .feature-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .note-card {
    padding: 36px 24px;
  }
}
