:root {
  --primary-blue: #1d4ed8;
  --primary-yellow: #fbbf24;
  --text-main: #0f172a;
  --text-sub: rgba(15, 23, 42, 0.62);
  --bg-dot: rgba(15, 23, 42, 0.08);
  --edge: rgba(15, 23, 42, 0.10);
}

@font-face {
  font-family: "alimama";
  src: url("../fonts/alimama.woff2") format("woff2");
  font-display: swap;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "alimama", "Microsoft JhengHei", Georgia, Times, "Microsoft Yahei", "Open Sans", sans-serif;
  color: var(--text-main);
  background-color: #fff;
  background-image:
    repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.03) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(45deg, rgba(15, 23, 42, 0.02) 0 1px, transparent 1px 18px),
    radial-gradient(circle at 12% 18%, rgba(251, 191, 36, 0.13), transparent 46%),
    radial-gradient(circle at 86% 26%, rgba(29, 78, 216, 0.08), transparent 52%);
  background-size: auto, auto, auto, auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}

.site-footer {
  width: 100%;
  padding: 24px;
  text-align: center;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(15, 23, 42, 0.04);
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-sub);
}

.footer-item {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--text-sub);
  transition: color 0.2s;
}

.footer-item:hover {
  color: var(--primary-blue);
}

.separator {
  color: rgba(15, 23, 42, 0.2);
}

@media (max-width: 600px) {
  .footer-content {
    flex-direction: column;
    gap: 12px;
  }
  .separator {
    display: none;
  }
}