:root {
  --coral: #e85d4c;
  --ink: #1a1a1a;
  --paper: #f3f3f1;
  --card: #ffffff;
  --mute: #5f5f5b;
  --line: #e2e2dc;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.78;
}
a { color: var(--coral); }
.shell { width: min(720px, calc(100% - 32px)); margin: 0 auto; }

.header {
  padding: 22px 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.2rem;
}
nav { display: flex; gap: 4px; }
nav a {
  text-decoration: none;
  color: var(--mute);
  padding: 6px 10px;
  font-size: 0.92rem;
}
nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--coral);
}

.hero { padding: 28px 0 10px; text-align: center; }
.hero h1 {
  font-size: clamp(1.65rem, 4vw, 2.15rem);
  line-height: 1.3;
  margin-bottom: 14px;
}
.hero p { color: var(--mute); margin-bottom: 12px; }
.cta {
  display: inline-block;
  margin-top: 8px;
  background: var(--coral);
  color: #fff;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
}
.pills {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.pills span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.82rem;
}

.choice {
  background: var(--card);
  border-radius: 16px;
  padding: 22px 22px 18px;
  margin: 16px 0;
  box-shadow: 0 8px 24px rgba(26,26,26,0.04);
}
.choice h2 { font-size: 1.15rem; margin-bottom: 10px; }
.choice p { color: var(--mute); margin-bottom: 10px; }
.yesno {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}
.yesno div {
  border-radius: 12px;
  padding: 12px;
  font-size: 0.92rem;
}
.yes { background: #efe8e2; }
.no { background: #ecece8; }
.faq {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}
.faq summary { cursor: pointer; font-weight: 650; }
.faq p { margin-top: 8px; color: var(--mute); }

footer {
  margin: 36px 0 48px;
  color: var(--mute);
  font-size: 0.88rem;
}
footer a { margin-right: 12px; }
footer p { margin-top: 8px; }

@media (max-width: 560px) {
  .header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .yesno { grid-template-columns: 1fr; }
  .hero { text-align: left; }
  .pills { justify-content: flex-start; }
}