@charset "UTF-8";

/**
 * GPLPal 2026 Enterprise Single Product Layout Engine
 * Scoped Architecture: Hero Canvas, TOC Rail, Timeline Ledger, Typography & Responsive Flow
 */

:root {
  --gpl-purple-core: #7c3aed;
  --gpl-purple-light: #f5f3ff;
  --gpl-purple-border: #ddd6fe;
  --gpl-brand-amber: #f59e0b;
  --gpl-brand-orange: #ea580c;
  --gpl-accent-emerald: #10b981;
  --gpl-text-dark: #0f172a;
  --gpl-text-body: #334155;
  --gpl-text-muted: #64748b;
  --gpl-border-slate: #e2e8f0;
}

#content, .site-content {
  overflow: visible !important;
}

.gplpal-v20-scope {
  background-color: #f8fafc;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--gpl-text-body);
  line-height: 1.6;
  padding-bottom: 0px !important;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* ================= 1. Hero Canvas & Global Search ================= */
.gplpal-v20-hero-canvas {
  position: relative;
  background: radial-gradient(circle at 85% 0%, rgba(196, 181, 253, 0.3) 0%, rgba(238, 242, 255, 0.45) 30%, #ffffff 70%);
  border-bottom: 1px solid var(--gpl-border-slate);
  padding: 28px 0 36px 0 !important;
  box-sizing: border-box;
  overflow: visible !important;
  z-index: 10;
}

.gplpal-v20-container,
.gplpal-v20-body-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
  position: relative;
}
.gplpal-v20-container {
  z-index: 2;
  overflow: visible !important;
}

/* Breadcrumbs Navigation */
.gplpal-v20-top-strip {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  min-height: 24px;
  margin-bottom: 12px;
}
.gplpal-v20-breadcrumbs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748b;
}
.gplpal-v20-breadcrumbs a {
  color: #475569;
  text-decoration: none;
  transition: color 0.2s;
}
.gplpal-v20-breadcrumbs a:hover { color: var(--gpl-purple-core); }
.gplpal-v20-breadcrumbs span.sep { color: #94a3b8; font-size: 13px; }

/* Header Split Grid */
.gplpal-v20-header-split {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.gplpal-v20-eyebrow {
  font-size: 11.5px;
  font-weight: 800;
  color: var(--gpl-purple-core);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  display: inline-block;
  text-decoration: none;
  transition: color 0.2s;
}
.gplpal-v20-eyebrow:hover { color: #6d28d9; }
.gplpal-v20-h1 {
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 900;
  color: #0f172a;
  line-height: 1.25;
  letter-spacing: -0.6px;
  word-break: break-word;
  overflow-wrap: break-word;
  margin: 0 0 12px 0;
}

/* Search Bar Input */
.gplpal-v20-search-bar {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  padding: 3px 4px 3px 14px;
  width: 360px;
  box-sizing: border-box;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
  margin-top: 4px;
}
.gplpal-v20-search-bar:focus-within {
  border-color: var(--gpl-purple-core);
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.15);
}
.gplpal-v20-search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #0f172a;
  font-size: 13px;
  padding: 7px 0;
}
.gplpal-v20-search-bar input::placeholder { color: #94a3b8; }
.gplpal-v20-search-bar button {
  background: linear-gradient(135deg, var(--gpl-brand-amber), var(--gpl-brand-orange));
  color: #ffffff;
  border: none;
  padding: 0 16px;
  height: 32px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s;
}
.gplpal-v20-search-bar button:hover { transform: translateY(-1px); }

/* Fact Capsule Meta Row */
.gplpal-v20-capsule-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
}
.gplpal-v20-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 12.5px;
}
.gplpal-v20-pill-version {
  background: var(--gpl-purple-light);
  border: 1px solid var(--gpl-purple-border);
  color: var(--gpl-purple-core);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 700;
}
.gplpal-v20-pill-date {
  background: #ffffff;
  border: 1px solid var(--gpl-border-slate);
  color: #475569;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.gplpal-v20-seal {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
}
.seal-emerald { background: #ecfdf5; color: #047857; border-color: #a7f3d0; }

/* ================= 2. Stage Grid (Viewport & Trust Dock) ================= */
.gplpal-v20-stage-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: start;
  position: relative;
}
.gplpal-v20-dock-col { min-width: 0; }
.gplpal-v20-img-viewport {
  width: 100%;
  background: #0b1120;
  border: 1px solid var(--gpl-border-slate);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 6px;
}
.gplpal-v20-img-viewport img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}

/* Dock Lower Bar */
.gplpal-v20-dock-lower-bar {
  margin-top: 20px;
  margin-bottom: 14px;
  padding: 6px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.gplpal-v20-btn-demo-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, #7c3aed, #6366f1);
  color: #ffffff !important;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.gplpal-v20-btn-demo-primary:hover {
  background: linear-gradient(135deg, #6d28d9, #4f46e5);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(124, 58, 237, 0.5);
  color: #ffffff !important;
}
.gplpal-v20-dock-trust-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.gplpal-v20-trust-capsule {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  color: #475569;
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: all 0.2s ease;
}

/* ================= 3. Content Panel & FAQ Accordion ================= */
.gplpal-v20-body-canvas {
  background: #f8fafc;
  position: relative;
  z-index: 5;
  padding-top: 36px;
}
.gplpal-v20-body-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: stretch !important;
}
.gplpal-v20-content-panel {
  background: #ffffff;
  border: 1px solid var(--gpl-border-slate);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
  box-sizing: border-box;
}
.gplpal-v20-content-panel h2 {
  font-size: 20px;
  font-weight: 900;
  color: #0f172a;
  margin: 32px 0 14px 0;
  scroll-margin-top: 140px !important;
  display: flex;
  align-items: center;
  gap: 8px;
}
.gplpal-v20-content-panel h2:first-child { margin-top: 0; }
.gplpal-v20-h2-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.gplpal-v20-content-panel p {
  font-size: 15px;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 16px;
}
.gplpal-v20-content-panel ul {
  list-style: none !important;
  padding-left: 0 !important;
  margin: 16px 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.gplpal-v20-content-panel ul li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: #334155;
  line-height: 1.6;
}
.gplpal-v20-content-panel ul li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gpl-purple-light);
  color: var(--gpl-purple-core);
  font-size: 11px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* FAQ Accordion Styles */
.gplpal-v20-faq-container {
  margin-top: 36px;
  border-top: 1px solid var(--gpl-border-slate);
  padding-top: 28px;
}
.gplpal-v20-faq-container h2 {
  margin-top: 0;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.gplpal-v20-faq-box {
  background: #f8fafc;
  border: 1px solid var(--gpl-border-slate);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}
.gplpal-v20-faq-box summary {
  padding: 14px 18px;
  font-size: 14.5px;
  font-weight: 800;
  color: #0f172a;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.gplpal-v20-faq-box summary::-webkit-details-marker { display: none; }
.gplpal-v20-faq-box summary::after { content: "+"; font-size: 18px; font-weight: 700; color: #94a3b8; }
.gplpal-v20-faq-box[open] summary::after { content: "-"; font-size: 18px; font-weight: 700; color: var(--gpl-purple-core); }
.gplpal-v20-faq-body {
  padding: 0 18px 16px 18px;
  font-size: 14px;
  color: #475569;
  line-height: 1.65;
}

/* ================= 4. Right Companion Rail (TOC & Timeline) ================= */
.gplpal-v20-right-rail {
  width: 360px;
  box-sizing: border-box;
  position: relative;
  height: 100%;
}
.gplpal-v20-sticky-rail {
  position: sticky !important;
  top: 90px !important;
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 360px;
  box-sizing: border-box;
  z-index: 25;
}
.gplpal-v20-toc-card {
  background: #ffffff;
  border: 1px solid var(--gpl-border-slate);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.02);
  width: 360px;
  box-sizing: border-box;
}
.gplpal-v20-toc-title {
  font-size: 14px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f1f5f9;
}
.gplpal-v20-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}
.gplpal-v20-toc-item a {
  color: #64748b;
  text-decoration: none;
  display: block;
  padding-left: 10px;
  border-left: 2px solid transparent;
  transition: all 0.2s;
}
.gplpal-v20-toc-item.active a,
.gplpal-v20-toc-item a:hover {
  color: var(--gpl-purple-core);
  border-left-color: var(--gpl-purple-core);
  font-weight: 700;
}

/* Update History Ledger Card */
.gplpal-v20-white-ledger-card {
  background: #ffffff;
  border: 1px solid var(--gpl-border-slate);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.02);
  width: 360px;
  box-sizing: border-box;
}
.gplpal-v20-ledger-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f1f5f9;
}
.gplpal-v20-ledger-title {
  font-size: 14.5px;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.3px;
  margin: 0;
}
.gplpal-v20-status-badge {
  font-size: 11px;
  color: #10b981;
  font-weight: 800;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 2px 8px;
  border-radius: 6px;
}
.gplpal-v20-timeline-scroll {
  max-height: 230px;
  overflow-y: auto;
  padding-right: 6px;
  padding-left: 2px;
}
.gplpal-v20-timeline-scroll::-webkit-scrollbar { width: 4px; }
.gplpal-v20-timeline-scroll::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
.gplpal-v20-timeline-track {
  position: relative;
  padding-left: 22px;
  margin: 0;
  list-style: none;
}
.gplpal-v20-timeline-track::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 8px;
  width: 2px;
  background: #e2e8f0;
  z-index: 1;
}
.gplpal-v20-timeline-item {
  position: relative;
  padding-bottom: 20px;
  list-style: none;
  margin: 0;
}
.gplpal-v20-timeline-item:last-child { padding-bottom: 4px; }
.gplpal-v20-timeline-dot {
  position: absolute;
  left: -22px;
  top: 3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #6366f1;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px #cbd5e1;
  z-index: 2;
  box-sizing: border-box;
}
.gplpal-v20-timeline-item:first-child .gplpal-v20-timeline-dot {
  background: var(--gpl-purple-core);
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.25);
}
.gplpal-v20-timeline-header {
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.2;
  margin-bottom: 4px;
}
.gplpal-v20-timeline-ver {
  font-size: 14px;
  font-weight: 800;
  color: #0f172a;
  font-family: ui-monospace, SFMono-Regular, monospace;
}
.gplpal-v20-timeline-badge {
  background: var(--gpl-purple-core);
  color: #ffffff;
  font-size: 10px;
  font-weight: 800;
  padding: 1px 7px;
  border-radius: 4px;
  letter-spacing: 0.2px;
}
.gplpal-v20-timeline-date {
  font-size: 12px;
  color: #64748b;
  font-weight: 500;
  line-height: 1;
}
.gplpal-v20-timeline-footer {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed #e2e8f0;
  font-size: 11.5px;
  color: #64748b;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.gplpal-v20-timeline-footer strong { color: #0f172a; }

/* ================= 5. Related Product Assets Grid ================= */
.gplpal-v20-related-wrap {
  max-width: 1320px;
  margin: 50px auto 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}
.gplpal-v20-related-header { margin-bottom: 22px; }
.gplpal-v20-related-eyebrow {
  font-size: 11.5px;
  font-weight: 800;
  color: var(--gpl-brand-amber);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: block;
  margin-bottom: 4px;
}
.gplpal-v20-related-title {
  font-size: 24px;
  font-weight: 900;
  color: #0f172a;
  margin: 0;
  letter-spacing: -0.5px;
}
.gplpal-v20-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.gplpal-v20-rel-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}
.gplpal-v20-rel-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
  border-color: #cbd5e1;
}
.gplpal-v20-rel-thumb-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0b1120;
  overflow: hidden;
  position: relative;
}
.gplpal-v20-rel-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.gplpal-v20-rel-card:hover .gplpal-v20-rel-thumb-wrap img { transform: scale(1.04); }
.gplpal-v20-rel-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}
.gplpal-v20-rel-title {
  font-size: 13.5px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.4;
  margin: 0 0 10px 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.gplpal-v20-rel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  padding-top: 8px;
  border-top: 1px solid #f8fafc;
}
.gplpal-v20-rel-price {
  font-weight: 900;
  color: #0f172a;
  font-family: ui-monospace, monospace;
}
.gplpal-v20-rel-link {
  color: var(--gpl-brand-orange);
  font-weight: 800;
  font-size: 12px;
}

/* ================= 6. Mobile Breakpoints & Sticky Bottom Bar ================= */

@media (max-width: 960px) {
  .gplpal-v20-header-split { grid-template-columns: 1fr; }
  .gplpal-v20-search-bar { width: 100%; max-width: 100%; }
  .gplpal-v20-h1 { font-size: 26px; }
  .gplpal-v20-stage-grid, .gplpal-v20-body-grid { grid-template-columns: 1fr; }
  .gplpal-v20-pod-col { width: 100%; }
  .gplpal-v20-right-rail { width: 100%; }
  .gplpal-v20-sticky-rail { position: static !important; margin-top: 0; width: 100%; }
  .gplpal-v20-toc-card, .gplpal-v20-white-ledger-card { width: 100%; }
  .gplpal-v20-related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .gplpal-v20-body-container { padding: 0 10px !important; }
  .gplpal-v20-content-panel { padding: 24px 14px !important; border-radius: 14px !important; }
  .gplpal-v20-content-panel p { font-size: 14.5px !important; line-height: 1.7 !important; margin-bottom: 14px !important; }
  .gplpal-v20-faq-container { margin-top: 24px !important; padding-top: 20px !important; }
  .gplpal-v20-faq-box summary { padding: 12px 12px !important; font-size: 13.5px !important; }
  .gplpal-v20-faq-body { padding: 0 12px 14px 12px !important; font-size: 13px !important; }
  .gplpal-v20-related-grid { grid-template-columns: 1fr; }
  
}

/* ================= 话题标签胶囊栏 (Topic Tags) ================= */
.gplpal-v20-tags-strip {
  margin-top: 28px !important;
  padding-top: 20px !important;
  border-top: 1px dashed #e2e8f0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  flex-wrap: wrap !important;
}
.gplpal-v20-tags-label {
  font-size: 12.5px !important;
  font-weight: 700 !important;
  color: #64748b !important;
  flex-shrink: 0 !important;
}
.gplpal-v20-tags-list {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
}
.gplpal-v20-tag-pill {
  display: inline-flex !important;
  align-items: center !important;
  background: #f8fafc !important;
  border: 1px solid #e2e8f0 !important;
  color: #475569 !important;
  padding: 4px 12px !important;
  border-radius: 999px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  transition: all 0.15s ease !important;
}
.gplpal-v20-tag-pill:hover {
  background: #f5f3ff !important;
  color: #7c3aed !important;
  border-color: #ddd6fe !important;
  transform: translateY(-1px) !important;
}