.main-body {
  background: #000;
  color: #fff;
  margin: 0;
  font-family: system-ui, sans-serif;
}

.top-nav { background: #000; padding: 18px 0; border-bottom: 1px solid #222; }
.nav-wrap { max-width: 960px; margin: 0 auto; display: flex; justify-content: center; gap: 50px; flex-wrap: wrap; }
.nav-item { color: #ff9900; font-size: 18px; font-weight: bold; text-decoration: none; }

.promo-box { text-align: center; margin: 30px auto 40px; max-width: 500px; padding: 0 15px; }
.big-cta {
  display: inline-block;
  background-color: #e60000;
  color: white;
  padding: 25px 60px;
  font-size: 28px;
  font-weight: bold;
  border-radius: 12px;
  cursor: pointer;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 0 25px #ff0000, 0 0 50px #e60000, 0 10px 30px rgba(230,0,0,0.6);   /* 强发光效果，和你截图一样 */
}

.page-content { max-width: 960px; margin: 0 auto; padding: 20px; }

/* 文章页橙色文字风格（和截图完全一致） */
.single-content {
  max-width: 800px;
  margin: 40px auto 0;
  line-height: 1.85;
  color: #ff9900;
  font-size: 18px;
}
.single-content h1 { 
  color: #ffaa00; 
  font-size: 42px; 
  margin-bottom: 30px; 
  text-align: center;
}
.single-content h2 { 
  color: #ffaa00; 
  margin-top: 50px; 
  border-bottom: 1px solid #333; 
  padding-bottom: 10px;
}
.single-content ul { padding-left: 25px; }
.single-content li { margin-bottom: 12px; }

.site-footer { background: #111; padding: 50px 20px 40px; text-align: center; border-top: 1px solid #222; font-size: 14px; color: #888; }
.footer-inner { max-width: 960px; margin: 0 auto; }
.footer-title { margin: 0 0 10px; font-size: 16px; color: #ff9900; }
.footer-desc { margin: 0 0 20px; line-height: 1.6; }
.footer-links { margin: 25px 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 25px; }
.footer-link { color: #ff9900; text-decoration: none; }
.footer-small { margin: 0; font-size: 12px; color: #555; }

@media (max-width: 768px) {
  .nav-wrap { gap: 15px; }
  .big-cta { font-size: 22px; padding: 20px 40px; }
  .single-content h1 { font-size: 32px; }
}