:root{
  --ink:#111;
  --muted:#6b7280;
  --brand:#2563ff;
  --border:#e5e7eb;
}

.wa-lite-footer{background:#fff;color:var(--ink)}
.wa-lite__inner{
  max-width:1280px;
  margin:0 auto;
  padding:48px 20px 28px;
  display:grid;
  grid-template-columns:1fr 1fr 1fr 1fr;
  gap:20px 40px;
}
.wa-lite__title{
  margin:0 0 16px;
  font-size:18px;
  font-weight:700;
  color:#111;
}
.wa-lite__list{list-style:none;margin:0;padding:0}
.wa-lite__list li{margin:10px 0}
.wa-lite__link{color:#111;text-decoration:none;font-size:14px}
.wa-lite__link:hover{color:var(--brand);text-decoration:underline}
.wa-lite__text{font-size:14px;color:#333}

.wa-lite__divider{
  height:1px;
  background:var(--border);
  max-width:1280px;
  margin:8px auto 0;
}

.wa-lite__legal{background:#fff}
.wa-lite__legal-inner{
  max-width:1280px;
  margin:0 auto;
  padding:18px 20px 36px;
  text-align:center;
  color:#555;
  font-size:14px;
}
.wa-lite__agreements{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  margin-bottom:10px;
}
.wa-lite__agreements a{color:#111;text-decoration:none}
.wa-lite__agreements a:hover{color:var(--brand);text-decoration:underline}
.wa-lite__agreements .sep{color:#9ca3af}
.wa-lite__copy{color:#777}

/* 浮动按钮：默认隐藏，滚动一半后显示 */
.floating-download{
  position:fixed;
  left:50%;
  bottom:calc(16px + env(safe-area-inset-bottom));
  transform:translateX(-50%) translateY(8px);
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 28px;
  border-radius:999px;
  background:#fff;
  color:var(--brand);
  border:1px solid #bcd0ff;
  font-size:18px;
  font-weight:700;
  text-decoration:none;
  box-shadow:0 8px 22px rgba(0,0,0,.08);
  z-index:1000;

  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.floating-download img{width:20px;height:20px;display:block}
.floating-download:hover{
  box-shadow:0 12px 28px rgba(0,0,0,.12);
  border-color:var(--brand);
}

/* 显示状态 */
.floating-download.is-show{
  opacity:1;
  pointer-events:auto;
  transform:translateX(-50%) translateY(0);
}

/* 出现时给 body 留空间，避免遮挡 */
body.has-download-padding{
  padding-bottom:calc(84px + env(safe-area-inset-bottom));
}

@media (max-width:960px){
  .wa-lite__inner{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .wa-lite__inner{grid-template-columns:1fr}
  .floating-download{padding:12px 22px;font-size:16px}
  body.has-download-padding{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
}