body {
  margin: 0;
  background: #f7f8fa;
  color: #1f2329;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.app-shell {
  max-width: 1152px;
  margin: 20px auto 0;
  padding: 0 16px;
  display: grid;
  gap: 16px;
}
.app-shell * {
  position: relative;
  overflow: hidden;
}
.app-shell *::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: shellShimmer 1.6s infinite;
}
.shell-topbar {
  height: 56px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.25);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
}
.shell-logo {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(226, 232, 240, 0.8);
}
.shell-title {
  width: 160px;
  height: 14px;
  border-radius: 8px;
  background: rgba(226, 232, 240, 0.8);
}
.shell-hero {
  border-radius: 22px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.25);
  display: grid;
  gap: 12px;
}
.shell-line {
  height: 12px;
  border-radius: 8px;
  background: rgba(226, 232, 240, 0.8);
}
.shell-line.w-60 {
  width: 60%;
}
.shell-line.w-40 {
  width: 40%;
}
.shell-input {
  height: 48px;
  border-radius: 16px;
  background: rgba(226, 232, 240, 0.8);
}
.shell-btn {
  width: 140px;
  height: 44px;
  border-radius: 16px;
  background: rgba(226, 232, 240, 0.8);
}
.shell-chips {
  display: flex;
  gap: 8px;
}
.shell-chip {
  width: 52px;
  height: 20px;
  border-radius: 999px;
  background: rgba(226, 232, 240, 0.8);
}
.shell-panel {
  height: 120px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.25);
}
@keyframes shellShimmer {
  to {
    transform: translateX(100%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .app-shell *::after {
    animation: none;
  }
}
.boot-error {
  padding: 20px 22px;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(255, 255, 255, 0.96);
  color: #1f2329;
  max-width: 640px;
  margin: 24px auto;
  box-shadow: 0 18px 40px rgba(15, 118, 92, 0.08);
}
.boot-error-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}
.boot-error-desc {
  font-size: 13px;
  color: #5f6b7a;
}
.noscript-hint {
  max-width: 960px;
  margin: 28px auto;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  color: #1f2329;
  font-size: 14px;
  line-height: 1.6;
}
.noscript-hint a {
  color: #0f7a5c;
  text-decoration: none;
}