* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0d0517;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
  color: #333;
}

.page {
  width: min(100vw, 1920px);
  margin: 0 auto;
  background: #0d0517;
}

.hero,
.feature,
.footer {
  position: relative;
}

.hero-bg,
.feature img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-download {
  position: absolute;
  left: 50%;
  top: 62%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 1.5vw, 28px);
  z-index: 2;
}

.btn {
  display: inline-flex;
  line-height: 0;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.btn img {
  width: clamp(160px, 16.5vw, 316px);
  height: auto;
}

.footer {
  background: #fff;
  padding: clamp(28px, 2.6vw, 48px) clamp(20px, 4vw, 80px) clamp(32px, 3vw, 56px);
  text-align: center;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: clamp(16px, 1.5vw, 24px);
}

.footer-links a {
  position: relative;
  padding: 0 clamp(12px, 1.2vw, 22px);
  color: #666;
  text-decoration: none;
  font-size: clamp(13px, 0.94vw, 16px);
  line-height: 1.4;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: #a855f7;
}

.footer-links a + a::before {
  content: "|";
  position: absolute;
  left: 0;
  color: #d0d0d0;
}

.footer-meta {
  margin: 0;
  color: #999;
  font-size: clamp(12px, 0.78vw, 14px);
  line-height: 1.8;
}

.footer-meta + .footer-meta {
  margin-top: 4px;
}