/* Research Galaxy 3D */

#page {
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
}

.layout {
  max-width: 1380px;
}

.research-galaxy-3d-page {
  --rg-bg: rgba(8, 12, 26, 0.78);
  --rg-card: rgba(10, 16, 34, 0.78);
  --rg-border: rgba(130, 180, 255, 0.24);
  --rg-text: rgba(255, 255, 255, 0.94);
  --rg-muted: rgba(220, 230, 255, 0.68);
  --rg-blue: #73d7ff;
  --rg-purple: #a78bfa;
  --rg-green: #5eead4;

  color: var(--rg-text);
  padding: 1rem 0 3rem;
}

/* ===== 页面切换为宇宙背景 ===== */
body.research-galaxy-theme #page-header {
  background-image:
    linear-gradient(rgba(4, 8, 20, 0.45), rgba(4, 8, 20, 0.72)),
    url("/img/bg/research-galaxy-space.png") !important;
  background-size: cover !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
}

body.research-galaxy-theme #web_bg {
  background-image:
    linear-gradient(rgba(2, 6, 18, 0.68), rgba(2, 6, 18, 0.82)),
    url("/img/bg/research-galaxy-space.png") !important;
  background-size: cover !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
  filter: brightness(0.72) saturate(1.08);
}

body.research-galaxy-theme #footer::before,
body.research-galaxy-theme #page-header::before {
  background: transparent !important;
}

.rg3d-hero {
  margin-bottom: 1.1rem;
  padding: 3.2rem 2rem;
  border: 1px solid var(--rg-border);
  border-radius: 28px;
  background:
    radial-gradient(circle at 16% 22%, rgba(115, 215, 255, 0.24), transparent 34%),
    radial-gradient(circle at 84% 12%, rgba(167, 139, 250, 0.22), transparent 36%),
    linear-gradient(135deg, rgba(12, 18, 38, 0.85), rgba(6, 10, 24, 0.72));
  backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

.rg3d-kicker {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(115, 215, 255, 0.3);
  border-radius: 999px;
  color: var(--rg-blue);
  background: rgba(115, 215, 255, 0.08);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  font-weight: 800;
}

.rg3d-hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 1;
  letter-spacing: -0.05em;
  background: linear-gradient(90deg, #ffffff, #9ee7ff, #c4b5fd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rg3d-hero p {
  max-width: 780px;
  margin-top: 1rem;
  color: var(--rg-muted);
  line-height: 1.85;
  font-size: 1rem;
}

.rg3d-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(320px, 0.85fr);
  gap: 1.1rem;
}

.rg3d-graph-card {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  border: 1px solid var(--rg-border);
  border-radius: 28px;
  background:
    radial-gradient(circle at center, rgba(115, 215, 255, 0.16), transparent 30%),
    radial-gradient(circle at 80% 30%, rgba(167, 139, 250, 0.14), transparent 28%),
    linear-gradient(135deg, rgba(7, 11, 24, 0.92), rgba(2, 5, 14, 0.96));
  backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.rg3d-graph-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.7) 1px, transparent 1.6px),
    radial-gradient(circle, rgba(115,215,255,0.5) 1px, transparent 1.8px);
  background-size: 74px 74px, 132px 132px;
  background-position: 0 0, 34px 46px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 1;
}

#research-galaxy-3d {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 720px;
}

#research-galaxy-3d canvas {
  border-radius: 28px;
}

.rg3d-panel {
  position: sticky;
  top: 92px;
  align-self: start;
  padding: 1.5rem;
  border: 1px solid var(--rg-border);
  border-radius: 28px;
  background: var(--rg-card);
  backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.rg3d-panel-label {
  margin-bottom: 0.8rem;
  color: var(--rg-blue);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.rg3d-panel h2 {
  margin: 0;
  font-size: 1.8rem;
}

.rg3d-panel p {
  color: var(--rg-muted);
  line-height: 1.8;
}

.rg3d-meta {
  display: grid;
  gap: 0.75rem;
  margin: 1.2rem 0;
}

.rg3d-meta div {
  padding: 0.8rem;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  background: rgba(255,255,255,0.06);
}

.rg3d-meta span {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--rg-muted);
  font-size: 0.78rem;
}

.rg3d-meta strong {
  color: var(--rg-text);
}

.rg3d-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 1.2rem;
}

.rg3d-tags span {
  padding: 0.42rem 0.68rem;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.86);
  font-size: 0.84rem;
}

.rg3d-link {
  display: inline-flex;
  width: 100%;
  justify-content: center;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  color: #06101f !important;
  background: linear-gradient(135deg, var(--rg-blue), var(--rg-green));
  text-decoration: none !important;
  font-weight: 900;
}

@media screen and (max-width: 900px) {
  .rg3d-shell {
    grid-template-columns: 1fr;
  }

  .rg3d-panel {
    position: relative;
    top: auto;
  }

  .rg3d-graph-card {
    min-height: 560px;
  }

  #research-galaxy-3d {
    height: 560px;
  }
}

@media screen and (max-width: 600px) {
  .rg3d-hero {
    padding: 2.4rem 1.2rem;
    border-radius: 22px;
  }

  .rg3d-graph-card {
    min-height: 500px;
  }

  #research-galaxy-3d {
    height: 500px;
  }
}