.quick-access {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 80;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) minmax(170px, .86fr);
  gap: 10px;
  width: min(440px, calc(100% - 28px));
  padding: 10px;
  border: 1px solid rgba(31, 45, 68, .12);
  border-radius: 22px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 18px 54px rgba(24, 34, 52, .24);
  backdrop-filter: blur(16px);
  transform: translateX(-50%);
}
.quick-access a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 54px;
  padding: 0 18px;
  border-radius: 15px;
  font: 850 15px/1 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.quick-access a::before {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 9px;
  font-size: 17px;
  line-height: 1;
}
.quick-access-web {
  color: #fff !important;
  background: linear-gradient(135deg, #ec3f94, #9b4ff0);
  box-shadow: 0 10px 24px rgba(201, 61, 176, .30);
}
.quick-access-web::before { content: "↗"; color: #d83187; background: #fff; }
.quick-access-web:hover { color: #fff !important; transform: translateY(-2px); box-shadow: 0 13px 28px rgba(201, 61, 176, .38); }
.quick-access-download {
  color: #fff !important;
  border: 1px solid #172a3a;
  background: #172a3a;
}
.quick-access-download::before { content: "↓"; color: #172a3a; background: #fff; }
.quick-access-download:hover { color: #fff !important; background: #0d1c29; transform: translateY(-2px); }
.quick-access a:focus-visible { outline: 3px solid #f2b84b; outline-offset: 3px; }
@media (max-width: 620px) {
  body { padding-bottom: 88px; }
  .quick-access { bottom: 10px; grid-template-columns: 1.14fr .86fr; width: calc(100% - 20px); padding: 8px; border-radius: 18px; }
  .quick-access a { min-height: 50px; padding: 0 10px; border-radius: 13px; font-size: 14px; }
  .quick-access a::before { width: 24px; height: 24px; border-radius: 8px; font-size: 15px; }
}
@media print { .quick-access { display: none; } }
@media (prefers-reduced-motion: reduce) { .quick-access a { transition: none; } }