/* ============================================================
   3D 虚拟工作室模块（首页）
   风格：暗黑科技、蓝紫青点缀、玻璃质感、圆角、克制发光
   ============================================================ */

.virtual-studio-section {
  width: 100%;
  margin: 0;
  padding: 140px 0 160px;
}

.virtual-studio-section .section-head {
  margin-bottom: var(--space-8);
}

.virtual-studio-section .eyebrow {
  color: #39D8FF;
  border-color: rgba(57, 216, 255, 0.28);
  background: rgba(255, 255, 255, 0.06);
}
.virtual-studio-section .eyebrow::before {
  background: #39D8FF;
  box-shadow: 0 0 10px rgba(57, 216, 255, 0.7);
}

.virtual-studio-section .section-title {
  color: var(--color-text);
  margin-top: var(--space-4);
}

.virtual-studio-section .section-subtitle {
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
  max-width: 640px;
}


/* 3D 容器外框 */
.virtual-studio-frame {
  position: relative;
  width: 100%;
  height: clamp(520px, 45vw, 680px);
  min-height: 520px;
  max-height: 680px;
  border-radius: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(56, 212, 250, 0.12), transparent 42%),
    radial-gradient(circle at 85% 20%, rgba(140, 92, 255, 0.10), transparent 34%),
    #07080d;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 30px 100px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.virtual-studio-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.94) contrast(1.04);
}

/* 状态标签 */
.virtual-studio-status {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(10, 13, 20, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 500;
  pointer-events: none;
}
.virtual-studio-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #37e589;
  box-shadow: 0 0 10px #37e589;
  animation: studio-pulse 2.4s ease-in-out infinite;
}
@keyframes studio-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* 操作提示 */
.virtual-studio-hint {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 3;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(10, 13, 20, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.6);
  font-size: 12.5px;
  pointer-events: none;
}

/* 加载态 */
.virtual-studio-loading {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  background: linear-gradient(180deg, #07080d, #0a0d14);
}
.virtual-studio-spinner {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--color-accent-cyan, #38d4fa);
  animation: studio-spin 0.9s linear infinite;
}
@keyframes studio-spin {
  to { transform: rotate(360deg); }
}

/* 降级态 */
.virtual-studio-fallback {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background:
    radial-gradient(circle at 50% 35%, rgba(56, 212, 250, 0.10), transparent 55%),
    #07080d;
  color: rgba(255, 255, 255, 0.7);
}
.virtual-studio-fallback[hidden] {
  display: none;
}
.virtual-studio-fallback-logo {
  width: 76px;
  height: 76px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #f5f7fa;
  background: #0e1016;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.virtual-studio-fallback p {
  margin: 0;
  font-size: 14px;
}

/* 进入体验按钮 */
.virtual-studio-action {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}
.virtual-studio-enter-button {
  min-width: 156px;
  height: 50px;
  padding: 0 24px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #7357ff, #38d4fa);
  color: #fff;
  font-weight: 600;
  border: none;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(.34, 1.56, .64, 1),
    box-shadow 0.25s ease, filter 0.25s ease;
  box-shadow: 0 10px 30px rgba(56, 130, 250, 0.25);
  animation: studio-enter-guide 1.7s ease-in-out infinite;
}
@keyframes studio-enter-guide {
  0%, 100% { box-shadow: 0 10px 30px rgba(56, 130, 250, 0.25); }
  50% { box-shadow: 0 10px 30px rgba(56, 130, 250, 0.25), 0 0 0 9px rgba(56, 212, 250, 0.12), 0 0 42px rgba(115, 87, 255, 0.38); }
}
.virtual-studio-enter-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(56, 130, 250, 0.35);
  filter: brightness(1.05);
}
.virtual-studio-enter-button span[aria-hidden] {
  transition: transform 0.25s ease;
}
.virtual-studio-enter-button:hover span[aria-hidden] {
  transform: translateX(4px);
}
.virtual-studio-enter-button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* 移动端 */
@media (max-width: 768px) {
  .virtual-studio-section {
    padding: 88px 0 100px;
  }
  .virtual-studio-frame {
    height: 420px;
    min-height: 420px;
    border-radius: 20px;
  }
  .virtual-studio-hint {
    display: none;
  }
  .virtual-studio-status {
    font-size: 12px;
    padding: 6px 11px;
  }
}

/* 减少动态 */
@media (prefers-reduced-motion: reduce) {
  .virtual-studio-status-dot,
  .virtual-studio-spinner {
    animation: none;
  }
  .virtual-studio-enter-button:hover {
    transform: none;
  }
  .virtual-studio-enter-button {
    animation: none;
  }
}