:root {
  --indigo: #283593;
  --indigo-d: #1a237e;
  --mint: #00bfa5;
  --page: #eef0f8;
  --ink: #1c2440;
  --muted: #5b6280;
  --card: #ffffff;
  --line: #d5d9ee;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--page);
  color: var(--ink);
  line-height: 1.7;
}

.appbar {
  background: linear-gradient(135deg, var(--indigo-d), #3949ab);
  color: #fff;
  padding: 20px 16px 0;
}
.appbar-inner { max-width: 1040px; margin: 0 auto; text-align: center; }
.appbar .logo {
  color: #fff;
  text-decoration: none;
  font-size: 26px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pills {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 18px 0 0;
  flex-wrap: wrap;
}
.pills a {
  text-decoration: none;
  color: #d7dcff;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
}
.pills a.active {
  background: #fff;
  color: var(--indigo-d);
  font-weight: 700;
}

.hero {
  max-width: 1040px;
  margin: -8px auto 0;
  padding: 28px 16px 8px;
}
.hero-card {
  background: var(--card);
  border-radius: 24px;
  padding: 28px 28px 16px;
  box-shadow: 0 16px 40px rgba(40, 53, 147, 0.12);
}
.hero h1 { font-size: 30px; margin: 0 0 12px; line-height: 1.35; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 18px; }
.tags span {
  background: #e8eaf6;
  color: var(--indigo);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  margin: 0 8px 8px 0;
}
.btn-mint { background: var(--mint); color: #08332d; }
.btn-indigo { background: var(--indigo); color: #fff; }
.btn-line { border: 2px solid var(--indigo); color: var(--indigo); background: #fff; }

.shell { max-width: 1040px; margin: 0 auto; padding: 8px 16px 56px; }
section { margin: 28px 0; }
h2 { font-size: 22px; margin: 0 0 12px; color: var(--indigo-d); }

.matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.matrix article {
  background: var(--card);
  border-radius: 20px;
  padding: 18px 18px 8px;
  border: 1px solid var(--line);
}
.matrix h3 { margin: 0 0 8px; font-size: 17px; color: var(--indigo); }

.store {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.store article {
  background: var(--card);
  border-radius: 20px;
  padding: 16px;
  text-align: center;
  border: 1px solid var(--line);
}
.store h3 { margin: 8px 0; font-size: 16px; }

.pick {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
}
.pick .main, .pick .side {
  background: var(--card);
  border-radius: 20px;
  padding: 18px 18px 8px;
}

.faq .row {
  background: var(--card);
  border-radius: 16px;
  padding: 14px 16px;
  margin: 10px 0;
  border: 1px solid var(--line);
}
.faq h3 { font-size: 16px; margin: 0 0 6px; }
.faq p { margin: 0; color: var(--muted); }

footer {
  background: var(--indigo-d);
  color: #cfd3ee;
  font-size: 12px;
  line-height: 1.8;
  padding: 28px 16px 36px;
  text-align: center;
}
footer a { color: #fff; }
footer .safe { color: #b2fff2; }

ol, ul { padding-left: 20px; }
li { margin-bottom: 8px; }

@media (max-width: 800px) {
  .matrix, .store, .pick { grid-template-columns: 1fr; }
  .hero h1 { font-size: 24px; }
}