:root {
  --bg: #fffaf6;
  --surface: #ffffff;
  --text: #2b2340;
  --muted: #6d6482;
  --primary: #ff6fb0;
  --primary-dark: #ff4b9b;
  --line: #ffdff1;
  --shadow: 0 10px 26px rgba(255, 111, 176, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
  background: rgba(255, 250, 246, 0.92);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  font-weight: 700;
  font-size: 1.1rem;
}

.nav {
  display: flex;
  gap: 1.2rem;
}

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

.nav a:hover {
  color: #8f5bff;
}

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
  background: #ffe8f8;
  color: #9b3bd6;
}

h1,
h2,
h3 {
  margin: 0 0 14px;
  line-height: 1.25;
}

h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
}

.hero-desc,
.section-desc {
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #ff7ec2, #a778ff);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ff4b9b, #8f5bff);
}

.btn-ghost {
  border-color: #e4ccff;
  color: #7b42bf;
  background: #f9f1ff;
}

.btn-dark {
  background: #262626;
  color: #fff;
}

.btn-dark:hover {
  background: #1a1a1a;
}

.hero-card {
  background: var(--surface);
  border: 1px solid #f0d8ff;
  box-shadow: var(--shadow);
  border-radius: 16px;
  padding: 22px;
}

.hero-card ul {
  margin: 0;
  padding-left: 1.2rem;
}

.section {
  padding: 60px 0;
}

.feature-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  border: 1px solid #f1ddff;
  border-radius: 14px;
  background: #fff;
  padding: 18px;
}

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

.section-download {
  background: linear-gradient(180deg, #ffeefe 0%, #f8edff 100%);
}

.download-wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
  align-items: center;
}

.download-buttons {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin: 18px 0 8px;
}

.tip {
  color: var(--muted);
  font-size: 0.92rem;
}

.qr-box {
  display: flex;
  justify-content: center;
}

.qr-image {
  width: 190px;
  height: 190px;
  object-fit: contain;
  border-radius: 14px;
  border: 2px dashed #cda5ff;
  background: #fff;
  padding: 10px;
}

.quotes {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

blockquote {
  margin: 0;
  border-left: 4px solid #ba8dff;
  background: #fff;
  border-radius: 10px;
  padding: 16px;
}

cite {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-style: normal;
  font-size: 0.9rem;
}

.faq-list {
  margin-top: 18px;
  display: grid;
  gap: 0.8rem;
}

details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}

summary {
  cursor: pointer;
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}

.footer-wrap {
  display: flex;
  gap: 0.8rem;
  justify-content: space-between;
  flex-wrap: wrap;
  color: var(--muted);
}

.footer-wrap a:hover {
  color: #8f5bff;
}

.footer-beian-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.beian-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.beian-icon {
  width: 16px;
  height: 16px;
  display: block;
  flex-shrink: 0;
}

.legal-page {
  padding: 40px 0 70px;
}

.legal-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
}

.legal-card h1 {
  margin-bottom: 6px;
}

.legal-card h2 {
  font-size: 1.2rem;
  margin-top: 24px;
}

.legal-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.legal-card p,
.legal-card li {
  color: #3d3d3d;
}

.legal-card ul {
  padding-left: 1.2rem;
}

@media (max-width: 860px) {
  .hero-grid,
  .download-wrap,
  .quotes {
    grid-template-columns: 1fr;
  }

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

  .nav {
    display: none;
  }
}