/* =========================
   HOME LOGO（全站统一）
========================= */
.home-logo {
  position: fixed;
  top: 80px;
  right: 60px;
  z-index: 1000;
}

.home-logo img {
  width: 80px !important;
  transition: 0.25s;
  cursor: pointer;
}

.home-logo img:hover {
  transform: scale(1.08);
  filter: brightness(1.2);
}

.home-logo img:active {
  transform: scale(0.92);
}


/* =========================
   SCROLL TOP（全站统一）
========================= */
.scroll-top {
  position: fixed;
  right: 60px;
  bottom: 60px;

  width: 48px;
  height: 48px;

  border: 1px solid rgba(255,60,60,0.4);
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;

  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  color: #ff3b3b;

  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);

  cursor: pointer;

  opacity: 0;
  transform: translateY(20px);

  transition: 0.4s;

  z-index: 1000;

  text-shadow:
    0 0 6px rgba(255,60,60,0.8),
    0 0 12px rgba(255,60,60,0.4);
}

/* 出现时 */
.scroll-top.show {
  opacity: 1;
  transform: translateY(0);
}

/* hover 反馈 */
.scroll-top:hover {
  transform: scale(1.1);
  box-shadow:
    0 0 10px rgba(255,60,60,0.6),
    0 0 20px rgba(255,60,60,0.3);
}

/* 点击反馈（补上统一手感） */
.scroll-top:active {
  transform: scale(0.92);
}