/* ==========================================================================
   Beidou AI Studio v0.4 — 1:1 Pangu AI (`pangu1.com`) + 1:1 GMI Tools (`/canvas`)
   ========================================================================== */

:root {
  --pangu-bg: #f4f1ea;
  --pangu-surface: #ffffff;
  --pangu-surface-soft: #faf8f3;
  --pangu-border: #e5e0d5;
  --pangu-text: #141414;
  --pangu-muted: #6e6a61;
  --pangu-gold: #e6b800;
  --pangu-gold-bg: #fff8db;
  --pangu-dark: #161616;
  --gmi-bg: #0b0d12;
  --gmi-panel: #131722;
  --gmi-border: #252b3b;
  --gmi-accent: #38bdf8;
  --gmi-green: #34d399;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--pangu-bg);
  color: var(--pangu-text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* 1. Top Navigation Bar (1:1 Pangu AI) */
/* v0.11.0 时尚化：顶栏更高、留白更大；导航字更大、字距更开；下拉更轻（细边框、弱阴影）。 */
.pangu-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  background: rgba(244, 241, 234, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pangu-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  gap: 16px;
}

.pangu-brand {
  display: flex;
  align-items: baseline;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  color: var(--pangu-text);
  flex-shrink: 0;
}

.pangu-brand-serif {
  font-family: "Georgia", "Times New Roman", "Songti SC", serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.pangu-brand-sub {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: #141414;
  color: #fff;
  font-weight: 600;
}

.pangu-nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
  /* v0.11.0 决策 B：顶栏是 3 个视觉板块 + 生成记录 + 商务合作次级下拉，不再横向滚动；
     overflow 必须 visible，否则多模块板块的下拉菜单会被裁掉。 */
  overflow: visible;
  scrollbar-width: none;
}

.pangu-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--pangu-text);
  cursor: pointer;
  transition: all 0.16s ease;
  min-width: 58px;
  text-align: center;
  font-size: 13px;
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.pangu-nav-item:hover {
  background: rgba(20, 20, 20, 0.05);
}

.pangu-nav-item.active {
  background: #141414;
  color: #ffffff;
  font-weight: 600;
}

/* v0.11.0 决策 B：商务合作是次级导航——字更小、颜色更淡，与主导航拉开层级。 */
.pangu-nav-secondary-btn {
  font-size: 12px;
  color: #8c857b;
  letter-spacing: 0.1em;
}

.pangu-nav-drop-secondary .pangu-nav-menu {
  left: auto;
  right: 0;
  transform: none;
}

/* v0.12.0 V3-fix：AI无限画布是旗舰产品——顶栏标题加粗 + 克制暖金「重磅」徽章。
   v0.14.1：徽章改成 HOT 式小标签，贴在标题右上角。
   配色只用米白/黑/高级灰/克制暖金，不用蓝紫渐变。 */
.pangu-nav-title-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pangu-nav-item.pangu-nav-flagship {
  font-weight: 700;
}
.pangu-nav-badge {
  position: absolute;
  top: -8px;
  right: -12px;
  display: inline-block;
  background: #c9a15a;
  color: #141414;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  padding: 2px 5px;
  border-radius: 999px;
  white-space: nowrap;
}

/* v0.10: 五大业务板块下拉导航（多模块板块 hover/focus 展开，单模块板块直达） */
.pangu-nav-drop {
  position: relative;
}

.pangu-nav-drop-btn {
  white-space: nowrap;
}

/* v0.12.0 V3-fix：下拉不再 hover 展开——只认点按（.open，见 app.js 绑定）。
   hover 展开是之前闪退的原因之一：鼠标从按钮移进菜单要经过 6px 空隙，
   一离开按钮区域菜单就收回。点按展开后，hover 只负责菜单项高亮。 */
.pangu-nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 180px;
  background: #ffffff;
  border: 1px solid var(--pangu-border);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.10);
  padding: 8px;
  z-index: 120;
}

.pangu-nav-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: 13px;
  color: var(--pangu-text);
  cursor: pointer;
}

.pangu-nav-menu-item:hover {
  background: rgba(20, 20, 20, 0.05);
}

.pangu-top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.pangu-slot-btn {
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid #141414;
  background: #ffffff;
  color: #141414;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.pangu-slot-btn:hover {
  background: #141414;
  color: #ffffff;
}

.pangu-credit-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid var(--pangu-border);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.pangu-credit-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f59e0b;
}

.pangu-vip-pill {
  background: #facc15;
  color: #141414;
  border: 1px solid #eab308;
  padding: 6px 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  line-height: 1.15;
  text-align: center;
}

.pangu-icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--pangu-border);
  background: #ffffff;
  color: var(--pangu-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}

/* 2. Pangu Home Page Container & Hero (1:1 pangu1.com) */
.pangu-home {
  max-width: 1320px;
  margin: 0 auto;
  padding: 36px 28px 80px;
}

.pangu-hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 44px;
  align-items: center;
  padding: 36px 40px;
  background: var(--pangu-surface);
  border: 1px solid var(--pangu-border);
  border-radius: 24px;
  margin-bottom: 52px;
  box-shadow: 0 12px 32px rgba(20, 20, 20, 0.04);
}

.pangu-badge-v2 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--pangu-surface-soft);
  border: 1px solid var(--pangu-border);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.pangu-hero-title {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 54px;
  line-height: 1.08;
  letter-spacing: -1px;
  margin-bottom: 18px;
  color: #141414;
}

.pangu-hero-sub {
  font-size: 17px;
  color: var(--pangu-muted);
  margin-bottom: 28px;
  max-width: 560px;
}

.pangu-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.pangu-btn-primary {
  background: #141414;
  color: #ffffff;
  border: 1px solid #141414;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pangu-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

.pangu-btn-outline {
  background: #ffffff;
  color: #141414;
  border: 1px solid #141414;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.pangu-hero-stats {
  display: flex;
  gap: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--pangu-border);
}

.pangu-stat-val {
  font-family: "Georgia", serif;
  font-size: 28px;
  font-weight: 700;
  color: #141414;
}

.pangu-stat-lbl {
  font-size: 12px;
  color: var(--pangu-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 3. Replaceable Image Slot Card (纯图片展示 + 文字与按钮全部排在图片下方，绝不遮挡图片) */
.slot-figure {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  background: var(--pangu-surface-soft);
  border: 1px solid var(--pangu-border);
}

.slot-img-wrap {
  width: 100%;
  overflow: hidden;
  background: #ede9df;
  flex-shrink: 0;
}

.slot-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slot-caption-bar {
  padding: 10px 12px;
  background: var(--pangu-surface-soft);
  border-top: 1px solid var(--pangu-border);
  color: var(--pangu-text);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slot-caption-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.slot-caption-title {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}

.slot-caption-prompt {
  font-size: 11px;
  color: var(--pangu-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.slot-caption-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.slot-make-same-btn {
  flex: 1;
  padding: 6px 11px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  border: none;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}

.slot-make-same-btn:hover {
  filter: brightness(1.06);
}

.slot-replace-trigger {
  background: #ffffff;
  color: #141414;
  border: 1px solid var(--pangu-border);
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.slot-replace-trigger:hover {
  background: #141414;
  color: #ffffff;
  border-color: #141414;
}

.gmi-canvas-page .slot-figure {
  background: #161b28;
  border-color: var(--gmi-border);
}

.gmi-canvas-page .slot-img-wrap {
  background: #0b0d12;
}

.gmi-canvas-page .slot-caption-bar {
  background: #161b28;
  border-top-color: var(--gmi-border);
  color: #f8fafc;
}

.gmi-canvas-page .slot-caption-prompt {
  color: #94a3b8;
}

.gmi-canvas-page .slot-replace-trigger {
  background: #1e293b;
  color: #e2e8f0;
  border-color: #334155;
}

.gmi-canvas-page .slot-replace-trigger:hover {
  background: var(--gmi-accent);
  color: #0b0d12;
  border-color: var(--gmi-accent);
}

/* 4. Pangu Numbered Feature Sections (01 - 05) */
.pangu-section {
  background: var(--pangu-surface);
  border: 1px solid var(--pangu-border);
  border-radius: 24px;
  padding: 36px 40px;
  margin-bottom: 36px;
}

.pangu-sec-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--pangu-border);
}

.pangu-sec-num {
  font-family: "Georgia", serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--pangu-muted);
  letter-spacing: 1px;
}

.pangu-sec-title {
  font-size: 30px;
  font-weight: 700;
  margin: 4px 0 8px;
}

.pangu-sec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pangu-tag {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--pangu-surface-soft);
  border: 1px solid var(--pangu-border);
  color: var(--pangu-text);
  font-weight: 500;
}

.pangu-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.pangu-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pangu-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.pangu-cap-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.pangu-cap-card {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--pangu-surface-soft);
  border: 1px solid var(--pangu-border);
}

.pangu-cap-card strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.pangu-cap-card span {
  font-size: 12px;
  color: var(--pangu-muted);
}

/* 5. Membership & Licensing Dark Section (1:1 screenshots/03-membership.jpg) */
.pangu-membership-sec {
  background: var(--pangu-dark);
  color: #ffffff;
  border-radius: 28px;
  padding: 48px 40px;
  margin-top: 44px;
}

.pangu-membership-head {
  text-align: center;
  margin-bottom: 36px;
}

.pangu-membership-head h2 {
  font-family: "Georgia", serif;
  font-size: 36px;
  margin-bottom: 10px;
}

.pangu-membership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pangu-plan-card {
  background: #222222;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pangu-plan-card.best-value {
  background: #ffffff;
  color: #141414;
  transform: scale(1.03);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
}

.pangu-best-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: #facc15;
  color: #141414;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}

.pangu-plan-price {
  font-family: "Georgia", serif;
  font-size: 40px;
  font-weight: 700;
  margin: 14px 0 6px;
}

.pangu-plan-features {
  list-style: none;
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
}

/* 6. Pangu 3-Column Studio Workspace (1:1 screenshots/02-drawing.jpg) */
.pangu-studio-shell {
  display: grid;
  grid-template-columns: 360px 1fr 300px;
  gap: 18px;
  max-width: 1560px;
  margin: 0 auto;
  padding: 20px 24px 48px;
  min-height: calc(100vh - 68px);
}

.pangu-panel {
  background: var(--pangu-surface);
  border: 1px solid var(--pangu-border);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pangu-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pangu-border);
}

.pangu-panel-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--pangu-muted);
  text-transform: uppercase;
}

.pangu-upload-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.pangu-upload-card {
  border: 1px dashed #b9b2a3;
  border-radius: 12px;
  padding: 8px;
  background: var(--pangu-surface-soft);
}

.pangu-textarea {
  width: 100%;
  min-height: 92px;
  border-radius: 12px;
  border: 1px solid var(--pangu-border);
  background: var(--pangu-surface-soft);
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}

.pangu-stage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* 7. GMI Tools 1:1 Infinite Canvas Workbench (`/canvas`) */
.gmi-canvas-page {
  background: var(--gmi-bg);
  color: #f8fafc;
  min-height: calc(100vh - 68px);
  padding-bottom: 64px;
}

.gmi-top-subbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: #10141d;
  border-bottom: 1px solid var(--gmi-border);
  flex-wrap: wrap;
  gap: 12px;
}

.gmi-tab-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.gmi-tab-btn {
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--gmi-border);
  background: #161b28;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.gmi-tab-btn.active {
  background: var(--gmi-accent);
  color: #0b0d12;
  border-color: var(--gmi-accent);
}

.gmi-workbench {
  display: grid;
  grid-template-columns: 270px 1fr 320px;
  height: 670px;
  border-bottom: 1px solid var(--gmi-border);
}

.gmi-sidebar {
  background: var(--gmi-panel);
  border-right: 1px solid var(--gmi-border);
  padding: 16px;
  overflow-y: auto;
}

.gmi-inspector {
  background: var(--gmi-panel);
  border-left: 1px solid var(--gmi-border);
  padding: 16px;
  overflow-y: auto;
}

.gmi-node-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid var(--gmi-border);
  background: #181e2c;
  color: #e2e8f0;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 12px;
}

.gmi-node-pill:hover {
  border-color: var(--gmi-accent);
}

.gmi-viewport {
  position: relative;
  overflow: hidden;
  background-color: #0b0d12;
  background-image: radial-gradient(rgba(148, 163, 184, 0.16) 1px, transparent 1px);
  background-size: 24px 24px;
  cursor: grab;
  user-select: none;
}

.gmi-viewport.panning {
  cursor: grabbing;
}

.gmi-world {
  position: absolute;
  top: 0;
  left: 0;
  width: 2400px;
  height: 1400px;
  transform-origin: 0 0;
}

.gmi-edges-svg {
  position: absolute;
  inset: 0;
  width: 2400px;
  height: 1400px;
  pointer-events: none;
}

.gmi-node-card {
  position: absolute;
  width: 240px;
  border-radius: 14px;
  background: rgba(19, 23, 34, 0.95);
  border: 1.5px solid var(--gmi-border);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
  color: #f8fafc;
  cursor: move;
  overflow: hidden;
}

.gmi-node-card.selected {
  border-color: var(--gmi-accent);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.35), 0 16px 36px rgba(0, 0, 0, 0.6);
}

.gmi-node-head {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--gmi-border);
}

.gmi-node-body {
  padding: 10px;
}

.gmi-node-thumb {
  height: 145px;
  border-radius: 9px;
  overflow: hidden;
  position: relative;
  margin-bottom: 8px;
}

.gmi-showcase-wrap {
  max-width: 1360px;
  margin: 0 auto;
  padding: 44px 24px;
}

.gmi-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.gmi-case-card {
  background: var(--gmi-panel);
  border: 1px solid var(--gmi-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.gmi-case-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.gmi-provider-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.gmi-provider-chip {
  padding: 7px 14px;
  border-radius: 999px;
  background: #161c2a;
  border: 1px solid var(--gmi-border);
  font-size: 12px;
  color: #cbd5e1;
  font-weight: 600;
}

/* 8. Modal Overlay (Announcement + Image Slot Manager) */
.pangu-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(12, 12, 12, 0.62);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.pangu-modal {
  background: #ffffff;
  color: #141414;
  border-radius: 22px;
  max-width: 880px;
  width: 100%;
  max-height: 86vh;
  overflow-y: auto;
  padding: 28px 32px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

@media (max-width: 1100px) {
  .pangu-hero,
  .pangu-studio-shell,
  .gmi-workbench {
    grid-template-columns: 1fr;
    height: auto;
  }
  .pangu-grid-4,
  .gmi-case-grid,
  .pangu-membership-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* v0.5: GMI 画布交互 — 端口连线、节点删除、小地图 */
.gmi-port {
  position: absolute;
  top: 50%;
  width: 18px;
  height: 18px;
  margin-top: -9px;
  border-radius: 50%;
  border: 2px solid #38bdf8;
  background: #0b0d12;
  color: #38bdf8;
  font-size: 8px;
  line-height: 14px;
  text-align: center;
  cursor: pointer;
  z-index: 3;
  padding: 0;
}
.gmi-port-out { right: -9px; }
.gmi-port-in { left: -9px; border-color: #34d399; color: #34d399; }
.gmi-node-delete {
  border: none;
  background: rgba(244, 63, 94, 0.2);
  color: #fb7185;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  padding: 2px 6px;
}
.gmi-minimap {
  position: absolute;
  right: 16px;
  bottom: 16px;
  background: rgba(11, 13, 18, 0.85);
  border: 1px solid #252b3b;
  border-radius: 10px;
  padding: 8px;
  z-index: 4;
}
.gmi-viewport { position: relative; }

.bd-clean-card:hover img {
  transform: scale(1.035);
}

.pangu-btn-dark {
  background: #141414;
  color: #ffffff;
  border: 1px solid #141414;
  font-weight: 600;
  transition: all 0.2s ease;
}

.pangu-btn-dark:hover {
  background: #2c2824;
}


/* v0.9.0：Hero 角标绿点脉冲（盘古 Enterprise Solution v2.0） */
.pangu-pulse-dot{animation:pangu-pulse 2s ease-in-out infinite;}
@keyframes pangu-pulse{0%,100%{box-shadow:0 0 0 0 rgba(34,197,94,0.5);}50%{box-shadow:0 0 0 6px rgba(34,197,94,0);}}


/* v0.12.0 V3：Mega Menu（带缩略图）、移动端导航、前后对比滑块、响应式新版块网格。
   配色：米白 + 黑 + 高级灰 + 克制暖金；无蓝紫 AI 渐变。 */

/* Mega Menu：下拉是紧凑型菜单，按文字标题宽度收窄（v0.12.0 V3-fix：之前 420–460px 太宽）；
   右对齐用于最右侧两个分组。 */
.pangu-nav-drop.open .pangu-nav-menu {
  display: block;
}
.pangu-nav-mega-menu {
  min-width: 0;
  width: max-content;
  max-width: 320px;
  padding: 8px;
}
.pangu-nav-mega-right {
  left: auto;
  right: 0;
  transform: none;
}
.pangu-nav-mega-item {
  display: flex;
  gap: 10px;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--pangu-text);
  cursor: pointer;
}
.pangu-nav-mega-item:hover {
  background: rgba(20, 20, 20, 0.05);
}
.pangu-nav-mega-thumb {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  background: #ebe6dc;
}
.pangu-nav-mega-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.pangu-nav-mega-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
}
.pangu-nav-mega-sub {
  font-size: 11px;
  color: #8c857b;
  line-height: 1.4;
  margin-top: 2px;
}

/* 移动端导航：汉堡按钮 + 面板（≤1100px 显示，桌面隐藏）。 */
.pangu-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--pangu-border);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  font-size: 18px;
  cursor: pointer;
  color: var(--pangu-text);
  flex-shrink: 0;
}
.pangu-mobile-nav {
  display: none;
  background: #f4f1ea;
  border-bottom: 1px solid var(--pangu-border);
  padding: 12px 20px 20px;
}
.pangu-mobile-nav.open {
  display: block;
}
.pangu-mobile-nav details {
  border-bottom: 1px solid #e5e0d5;
  padding: 4px 0;
}
.pangu-mobile-nav summary {
  font-size: 15px;
  font-weight: 700;
  padding: 12px 4px;
  cursor: pointer;
  list-style: none;
}
.pangu-mobile-nav summary::-webkit-details-marker {
  display: none;
}
.pangu-mobile-nav summary::after {
  content: '›';
  float: right;
  color: #8c857b;
  transform: rotate(90deg);
}
.pangu-mobile-nav-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 10px 12px;
  font-size: 14px;
  color: #57534e;
  cursor: pointer;
}
.pangu-mobile-nav-user {
  display: flex;
  gap: 10px;
  padding-top: 16px;
}
.pangu-mobile-nav-user button {
  flex: 1;
  padding: 11px 0;
  border-radius: 999px;
  border: 1px solid var(--pangu-border);
  background: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

/* 前后对比滑块：右侧图片按百分比裁剪 + 细分隔线 + 透明拖动层。 */
.bd-compare {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 20px;
  overflow: hidden;
  background: #ebe6dc;
}
.bd-compare img {
  display: block;
}
.bd-compare-after-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  clip-path: inset(0 0 0 50%);
}
.bd-compare-label {
  position: absolute;
  top: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(20, 20, 20, 0.72);
  color: #fff;
}
.bd-compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: #fff;
  transform: translateX(-50%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
  pointer-events: none;
}
.bd-compare-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  color: #141414;
  font-size: 14px;
  line-height: 36px;
  text-align: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
  pointer-events: none;
}
.bd-compare-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  -webkit-appearance: none;
  appearance: none;
}

/* V3 新版块响应式网格（替换内联 grid，避免小屏溢出）。 */
.bd-grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.bd-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.bd-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.bd-detail-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; }

@media (max-width: 1100px) {
  .pangu-nav-list {
    display: none;
  }
  .pangu-nav-toggle {
    display: block;
  }
  .pangu-top-actions .pangu-member-btn,
  .pangu-top-actions .pangu-start-btn {
    display: none;
  }
  .bd-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .bd-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .bd-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .bd-grid-5,
  .bd-grid-3,
  .bd-grid-2 { grid-template-columns: 1fr; }
  .pangu-topbar { padding: 0 16px; }
}