:root {
  --uc-bg: #f4f7ff;
  --uc-surface: rgba(255, 255, 255, 0.9);
  --uc-surface-strong: #ffffff;
  --uc-border: rgba(111, 132, 199, 0.16);
  --uc-text: #16213f;
  --uc-text-soft: #60709a;
  --uc-primary: #4f46e5;
  --uc-primary-2: #06b6d4;
  --uc-success: #0f9d76;
  --uc-warning: #f59e0b;
  --uc-danger: #e11d48;
  --uc-shadow: 0 20px 60px rgba(29, 43, 99, 0.14);
  --uc-shadow-soft: 0 12px 32px rgba(52, 74, 154, 0.08);
  --uc-radius: 24px;
  --uc-radius-sm: 16px;
}

* {
  box-sizing: border-box;
}

body.uc-body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.12), transparent 28%),
    radial-gradient(circle at right, rgba(236, 72, 153, 0.1), transparent 22%),
    linear-gradient(180deg, #eef3ff 0%, #f8fbff 40%, #f4f7ff 100%);
  color: var(--uc-text);
  font: 16px/1.6 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(79, 70, 229, 0.08);
  font-family: "Cascadia Code", Consolas, monospace;
}

.uc-shell {
  width: min(1280px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.uc-topbar,
.uc-hero,
.uc-card,
.uc-stat,
.uc-alert {
  border: 1px solid var(--uc-border);
  border-radius: var(--uc-radius);
  background: var(--uc-surface);
  box-shadow: var(--uc-shadow-soft);
  backdrop-filter: blur(18px);
}

.uc-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  margin-bottom: 18px;
}

.uc-topbar__actions,
.uc-hero__actions,
.uc-card__actions,
.uc-release-item__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.uc-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.9fr);
  gap: 24px;
  padding: 32px;
  overflow: hidden;
  margin-bottom: 24px;
  border-color: rgba(255, 255, 255, 0.52);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.48), transparent 46%),
    linear-gradient(135deg, rgba(79, 70, 229, 0.95) 0%, rgba(6, 182, 212, 0.9) 50%, rgba(236, 72, 153, 0.82) 100%);
  box-shadow: 0 30px 88px rgba(45, 63, 150, 0.24);
  color: #fff;
}

.uc-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 280px;
  height: 280px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  filter: blur(8px);
}

.uc-hero h1 {
  margin: 12px 0 10px;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.05;
}

.uc-hero p,
.uc-mini-card span,
.uc-topbar {
  color: rgba(255, 255, 255, 0.84);
}

.uc-hero__content,
.uc-hero__panel,
.uc-mini-card,
.uc-stat strong,
.uc-release-item h3 {
  min-width: 0;
}

.uc-hero__content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}

.uc-hero__panel {
  display: grid;
  gap: 14px;
}

.uc-mini-card {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.12);
}

.uc-mini-card strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.uc-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.uc-badge--info {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.uc-badge--ghost {
  background: rgba(79, 70, 229, 0.1);
  color: var(--uc-primary);
}

.uc-badge--success {
  background: rgba(15, 157, 118, 0.12);
  color: var(--uc-success);
}

.uc-grid {
  display: grid;
  gap: 22px;
}

.uc-grid--wide {
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
}

.uc-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.uc-stat {
  padding: 20px 22px;
}

.uc-stat span {
  display: block;
  margin-bottom: 8px;
  color: var(--uc-text-soft);
  font-size: 14px;
}

.uc-stat strong {
  display: block;
  font-size: 24px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.uc-card {
  padding: 24px;
}

.uc-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.uc-card__header h2,
.uc-card__header h3,
.uc-release-item h3 {
  margin: 0;
}

.uc-eyebrow {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--uc-primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.uc-form,
.uc-feature-list,
.uc-release-list,
.uc-richtext {
  display: grid;
  gap: 18px;
}

.uc-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.uc-field {
  display: grid;
  gap: 8px;
}

.uc-field--full {
  grid-column: 1 / -1;
}

.uc-field span,
.uc-checkbox span,
.uc-release-item__meta,
.uc-empty-state p,
.uc-feature-item p,
.uc-alert p {
  color: var(--uc-text-soft);
}

.uc-field input,
.uc-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(113, 135, 198, 0.2);
  border-radius: 14px;
  background: var(--uc-surface-strong);
  color: var(--uc-text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  font: inherit;
}

.uc-field input:focus,
.uc-field textarea:focus {
  border-color: rgba(79, 70, 229, 0.54);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
  transform: translateY(-1px);
}

.uc-field textarea {
  min-height: 120px;
  resize: vertical;
}

.uc-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.uc-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.uc-button:hover {
  transform: translateY(-1px);
}

.uc-button--primary {
  background: linear-gradient(135deg, var(--uc-primary) 0%, var(--uc-primary-2) 100%);
  color: #fff;
  box-shadow: 0 16px 30px rgba(79, 70, 229, 0.24);
}

.uc-button--ghost {
  background: rgba(79, 70, 229, 0.08);
  color: var(--uc-primary);
}

.uc-button--danger {
  background: rgba(225, 29, 72, 0.1);
  color: var(--uc-danger);
}

.uc-alert {
  margin-bottom: 18px;
  padding: 16px 18px;
}

.uc-alert--success {
  border-color: rgba(15, 157, 118, 0.22);
  background: rgba(15, 157, 118, 0.08);
}

.uc-alert--error {
  border-color: rgba(225, 29, 72, 0.22);
  background: rgba(225, 29, 72, 0.08);
}

.uc-alert ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.uc-empty-state {
  display: grid;
  gap: 8px;
  padding: 18px 0;
}

.uc-empty-state strong {
  font-size: 18px;
}

.uc-feature-item,
.uc-release-item {
  padding: 18px 20px;
  border: 1px solid rgba(113, 135, 198, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
}

.uc-release-item__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.uc-release-item__header p,
.uc-release-item__meta {
  margin: 6px 0 0;
  font-size: 14px;
}

.uc-release-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 12px;
}

.uc-release-item__actions {
  margin-top: 16px;
}

.uc-richtext h3 {
  margin: 0 0 8px;
}

.uc-richtext p,
.uc-richtext ul,
.uc-richtext ol,
.uc-richtext pre,
.uc-richtext blockquote {
  margin: 0 0 14px;
}

.uc-richtext pre,
.uc-richtext blockquote {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(79, 70, 229, 0.06);
  overflow: auto;
}

@media (max-width: 1080px) {
  .uc-hero,
  .uc-grid--wide {
    grid-template-columns: 1fr;
  }

  .uc-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .uc-shell {
    width: min(100% - 24px, 1280px);
  }

  .uc-topbar,
  .uc-card,
  .uc-hero {
    padding: 20px;
  }

  .uc-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .uc-form__grid,
  .uc-stat-grid {
    grid-template-columns: 1fr;
  }

  .uc-release-item__header,
  .uc-card__header {
    flex-direction: column;
  }
}