* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; width: 100%; }
html { background: #000; }
body {
  overflow-x: hidden;
  background: #000;
  color: #397ce0;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
img { display: block; max-width: 100%; height: auto; border: 0; }

/* PC 与手机共用同一套手机布局；桌面端仅在两侧显示黑色背景 */
.mobile-page {
  width: 100%;
  max-width: 480px;
  min-height: 100vh;
  margin: 0 auto;
  overflow: hidden;
  background: #f3fdff;
}
.hero { position: relative; width: 100%; padding-bottom: 16px; background: #f3fdff; }
.hero-images { width: 100%; display: flex; flex-direction: column; align-items: center; }
.hero-logo { order: 0; width: 100%; padding: 10px 16px 6px; cursor: pointer; }
.hero-people { order: 1; width: 80%; margin: 0 auto; cursor: pointer; }

.quick-area { width: 100%; padding: 0 5.128%; }
.marquee {
  width: 100%;
  height: 34px;
  margin: 10px 0 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  border-radius: 5px;
  background: #e4f2ff;
  color: #2866b5;
  font-size: 14px;
  line-height: 34px;
  white-space: nowrap;
}
.marquee-track { display: flex; width: max-content; animation: marquee-scroll 22s linear infinite; }
.marquee-track span { flex: 0 0 auto; padding-right: 24px; }
@keyframes marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.section-title { margin: 0 0 10px; font-size: 15px; line-height: 1.4; font-weight: 600; color: #397ce0; }
.navigation { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0; width: 100%; }
.nav-item {
  width: 48.5%;
  min-height: 44px;
  margin: 0 0 10px;
  padding: 5px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #fff;
  border-radius: 10px;
  background: linear-gradient(180deg, #fff 39%, #f3faff);
  box-shadow: 0 3px 8px rgba(159,177,191,.3);
  cursor: pointer;
}
.nav-item img { flex: 0 0 auto; width: 30px; height: 30px; object-fit: contain; margin-right: 8px; }
.nav-item span { min-width: 0; font-size: 14px; line-height: 1.25; font-weight: 500; color: #397ce0; white-space: nowrap; }
.promos { width: 100%; padding: 0 5.128%; }
.promo-image { width: 100%; margin: 10px auto 0; cursor: pointer; }
.promo-image img { width: 100%; height: auto; }

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}