:root {
  --bg: #fff7f9;
  --surface: #ffffff;
  --surface-alt: #fff0f4;
  --text: #2e1f27;
  --sub: #6d5a64;
  --primary: #d63f7d;
  --primary-dark: #b02e66;
  --line: #f0dbe3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.nav {
  display: flex;
  gap: 1.4rem;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--primary);
}

.hero {
  padding: 4.2rem 0 3.2rem;
}

.hero-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.35fr 1fr;
}

.tag {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: #ffe3ef;
  color: var(--primary-dark);
  font-size: 0.86rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  margin: 0 0 0.9rem;
  line-height: 1.3;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.hero-desc {
  color: var(--sub);
  margin-bottom: 1.4rem;
  max-width: 38em;
}

.btn-primary {
  display: inline-block;
  text-decoration: none;
  border: none;
  background: var(--primary);
  color: #fff;
  padding: 0.72rem 1.2rem;
  border-radius: 10px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.2rem 1.3rem;
  box-shadow: 0 8px 28px rgba(182, 55, 112, 0.08);
}

.hero-image {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 0.9rem;
  border: 1px solid #f3d2df;
  background: #fff5f9;
}

.hero-card ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--sub);
}

.hero-card li + li {
  margin-top: 0.5rem;
}

.section {
  padding: 3.2rem 0;
}

.section p {
  color: var(--sub);
  margin: 0;
}

.section-alt {
  background: var(--surface-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cards {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.card-image {
  width: 100%;
  display: block;
  border-radius: 10px;
  margin-bottom: 0.7rem;
  border: 1px solid #f3d2df;
  background: #fff8fb;
}

.card p {
  margin: 0;
}

.steps {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
}

.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  color: var(--sub);
}

.step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  margin-right: 0.55rem;
  font-size: 0.85rem;
  font-weight: 700;
  background: #ffe5f0;
  color: var(--primary-dark);
}

.contact {
  text-align: center;
}

.note {
  margin-top: 0.8rem;
  font-size: 0.9rem;
}

.site-footer {
  background: #2e1f27;
  color: #e9dbe2;
  padding: 1.5rem 0;
}

.site-footer p {
  margin: 0.28rem 0;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

  .nav {
    display: none;
  }
}