* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #0d1020;
  --card: #151a30;
  --border: #262c4a;
  --accent: #7c8aff;
  --text: #e8eaf2;
  --muted: #9aa0b8;
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}
.hero {
  text-align: center; padding: 4rem 1.5rem 3rem;
  background: radial-gradient(700px 340px at 50% -60px, rgba(124,138,255,.2), transparent);
}
.brand { font-size: 1rem; letter-spacing: .35em; color: var(--muted); margin-bottom: .8rem; }
.brand .dot { color: var(--accent); }
.hero h1 { font-size: 2.6rem; letter-spacing: .12em; margin-bottom: .8rem; }
.sub { color: var(--muted); font-size: 1rem; line-height: 1.9; margin-bottom: 1.8rem; }
.cta {
  display: inline-block; padding: .85rem 2.4rem; border-radius: 999px;
  background: var(--accent); color: #fff; text-decoration: none; font-size: 1.05rem;
}
.cta:hover { opacity: .9; }
main { max-width: 1080px; margin: 0 auto; padding: 1rem 1.5rem 3rem; }
section { margin-bottom: 3.2rem; }
h2 { font-size: 1.5rem; margin-bottom: .5rem; text-align: center; }
.sec-sub { text-align: center; color: var(--muted); font-size: .9rem; margin-bottom: 1.6rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.4rem; display: flex; flex-direction: column; gap: .7rem;
  transition: transform .15s, border-color .15s;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card.hot { border-color: var(--accent); position: relative; }
.hot-tag {
  position: absolute; top: -12px; right: 16px;
  background: var(--accent); color: #fff; font-size: .72rem;
  padding: .2rem .8rem; border-radius: 999px;
}
.avatar {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 700; color: #fff;
}
.card h3 { font-size: 1.15rem; }
.card p { color: var(--muted); font-size: .9rem; line-height: 1.7; flex: 1; }
.price { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.price span { font-size: .85rem; color: var(--muted); font-weight: normal; }
.visit {
  text-align: center; padding: .7rem; border-radius: 10px; text-decoration: none;
  background: rgba(124,138,255,.14); color: var(--accent); font-size: .95rem;
}
.visit:hover { background: var(--accent); color: #fff; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.step {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.4rem; text-align: center;
}
.num {
  width: 40px; height: 40px; border-radius: 50%; margin: 0 auto .8rem;
  background: rgba(124,138,255,.15); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 700;
}
.step h4 { margin-bottom: .4rem; }
.step p { color: var(--muted); font-size: .88rem; line-height: 1.6; }
.faq { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: .7rem; }
.faq details {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1rem 1.2rem;
}
.faq summary { cursor: pointer; font-weight: 600; font-size: .98rem; }
.faq summary::marker { color: var(--accent); }
.faq p { color: var(--muted); font-size: .9rem; line-height: 1.8; margin-top: .6rem; }
.contact { text-align: center; }
.wechat {
  display: inline-block; margin: 1rem 0 .6rem; padding: 1.1rem 2.2rem;
  background: var(--card); border: 1px dashed var(--accent); border-radius: 14px;
  font-size: 1.15rem; cursor: pointer; user-select: none;
}
.wechat strong { color: var(--accent); }
.wechat:hover { background: rgba(124,138,255,.08); }
.copy-hint { display: block; font-size: .75rem; color: var(--muted); margin-top: .4rem; }
.wechat.copied .copy-hint { color: var(--accent); }
.tip { color: var(--muted); font-size: .82rem; }
footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 2rem 1rem; border-top: 1px solid var(--border); }
@media (max-width: 600px) { .hero h1 { font-size: 2rem; } }