/* 23-pulse-uc-drift 内页：nx-* 统一体系（与 vpg-/nbowl 旧结构完全分离） */
body.layout-pulseuc {
  font-family: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
  color: var(--bg-ink, #0f172a);
}

/* ----- shared ----- */
.bg-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--bg-muted);
  margin: 0 0 14px;
}
.bg-crumb a {
  color: var(--bg-green2, #7c3aed);
  text-decoration: none;
}
.bg-crumb a:hover {
  text-decoration: underline;
}
.bg-crumb--on-dark {
  color: rgba(255, 255, 255, 0.75);
}
.bg-crumb--on-dark a {
  color: #e0e7ff;
}

/* ----- list bg-feed ----- */
.bg-feed__banner {
  padding: 32px 0 28px;
  background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 48%, #312e81 100%);
  color: #e0e7ff;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
}
.bg-feed__banner-inner {
  max-width: var(--bg-page-max);
}
.bg-feed__tag {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a5f3fc;
}
.bg-feed__h1 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 900;
  color: #fff;
}
.bg-feed__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.65;
  max-width: 62ch;
  color: rgba(224, 231, 255, 0.9);
}
.bg-feed__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.bg-feed__chip {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #e0e7ff;
  background: rgba(255, 255, 255, 0.08);
}
.bg-feed__chip.is-on,
.bg-feed__chip:hover {
  background: #fff;
  color: #312e81;
  border-color: #fff;
}
.bg-feed__hot {
  padding: 24px 0 8px;
}
.bg-feed__hot-h {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 900;
  color: var(--bg-green2);
}
.bg-feed__hot-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}
.bg-feed__hot-card {
  flex: 0 0 min(280px, 78vw);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--bg-line);
  background: #fff;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--bg-shadow-soft);
}
.bg-feed__hot-card time {
  font-size: 12px;
  font-weight: 700;
  color: var(--bg-green2);
}
.bg-feed__hot-card span {
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
}
.bg-feed__body {
  padding: 28px 0 48px;
}
.bg-feed__page-meta {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--bg-muted);
}
.bg-feed__grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
@media (max-width: 1000px) {
  .bg-feed__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .bg-feed__grid {
    grid-template-columns: 1fr;
  }
}
.bg-feed__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100%;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--bg-line);
  background: #fff;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--bg-shadow-soft);
  transition: border-color 0.15s, transform 0.15s;
}
.bg-feed__card:hover {
  border-color: rgba(124, 58, 237, 0.45);
  transform: translateY(-2px);
  box-shadow: var(--bg-shadow);
}
.bg-feed__card-tag {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  background: var(--bg-panel);
  color: var(--bg-green2);
}
.bg-feed__card time {
  font-size: 12px;
  color: var(--bg-muted);
  font-weight: 700;
}
.bg-feed__card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.4;
  flex: 1;
}
.bg-feed__card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--bg-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bg-feed__card-go {
  font-size: 13px;
  font-weight: 800;
  color: var(--bg-green2);
}
.bg-feed__pager {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  justify-content: center;
}
.bg-feed__page {
  min-width: 40px;
  padding: 8px 12px;
  border-radius: 10px;
  text-align: center;
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid var(--bg-line);
  color: var(--bg-muted);
  background: #fff;
}
.bg-feed__page.is-active,
.bg-feed__page:hover {
  background: var(--bg-green2);
  border-color: var(--bg-green2);
  color: #fff;
}
.bg-feed__empty {
  padding: 32px;
  text-align: center;
  color: var(--bg-muted);
  border: 1px dashed var(--bg-line);
  border-radius: 14px;
}
.bg-feed__tips {
  margin-top: 36px;
  padding: 22px;
  border-radius: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--bg-line);
}
.bg-feed__tips h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 900;
}
.bg-feed__tips ul {
  margin: 0 0 16px;
  padding-left: 1.1em;
  font-size: 14px;
  color: var(--bg-muted);
}
.bg-feed__tips-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ----- article bg-read ----- */
.bg-read__cover {
  position: relative;
  margin: 0;
  min-height: clamp(220px, 38vw, 420px);
  overflow: hidden;
}
.bg-read__cover > img:not(.site-img-wm__logo) {
  display: block;
  width: 100%;
  height: clamp(220px, 38vw, 420px);
  object-fit: cover;
}
.bg-read__cover-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.35) 0%, rgba(30, 27, 75, 0.88) 100%);
  pointer-events: none;
}
.bg-read__cover-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px var(--bg-page-gutter) 32px;
  z-index: 2;
}
.bg-read__kicker {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #a5f3fc;
}
.bg-read__h1 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  max-width: 48ch;
}
.bg-read__byline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  font-size: 14px;
  color: rgba(224, 231, 255, 0.9);
}
.bg-read__byline a {
  color: #c4b5fd;
  font-weight: 700;
}
.bg-read__layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: 32px;
  padding: 36px 0 40px;
  align-items: start;
}
@media (max-width: 900px) {
  .bg-read__layout {
    grid-template-columns: 1fr;
  }
}
.bg-read__rail {
  position: sticky;
  top: 130px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
@media (max-width: 900px) {
  .bg-read__rail {
    position: static;
  }
}
.bg-read__rail-card {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--bg-line);
  background: #fff;
  box-shadow: var(--bg-shadow-soft);
}
.bg-read__rail-k {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bg-muted);
}
.bg-read__rail-v,
.bg-read__rail-sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
}
.bg-read__rail-links {
  margin: 0;
  padding: 0;
  list-style: none;
}
.bg-read__rail-links a {
  font-weight: 700;
  color: var(--bg-green2);
}
.bg-read__adj {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bg-read__adj-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
}
.bg-read__adj-l {
  font-weight: 800;
  color: var(--bg-muted);
  font-size: 11px;
}
.bg-read__adj-row a {
  color: var(--bg-ink);
  font-weight: 700;
}
.bg-read__adj-empty {
  color: var(--bg-muted);
}
.bg-read__prose {
  font-size: 16px;
  line-height: 1.75;
  color: var(--bg-ink);
}
.bg-read__prose img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}
.bg-read__prose h2,
.bg-read__prose h3 {
  margin: 1.4em 0 0.6em;
  font-weight: 900;
  color: #1e1b4b;
}
.bg-read__prose p {
  margin: 0 0 1em;
}
.bg-read__note {
  margin-top: 32px;
  padding: 18px;
  border-radius: 14px;
  background: var(--bg-panel);
  border-left: 4px solid var(--bg-green2);
}
.bg-read__note h2 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.bg-read__note p {
  margin: 0;
  font-size: 14px;
  color: var(--bg-muted);
}
.bg-read__related {
  padding: 0 0 48px;
}
.bg-read__related-h {
  margin: 0 0 14px;
  font-size: 1.1rem;
  font-weight: 900;
}
.bg-read__related-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.bg-read__rel-chip {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--bg-line);
  background: #fff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  color: var(--bg-ink);
  max-width: 100%;
}
.bg-read__rel-chip:hover {
  border-color: var(--bg-green2);
  color: var(--bg-green2);
}

/* ----- company bg-brand ----- */
.bg-brand__hero {
  padding: 28px 0 24px;
  background: linear-gradient(180deg, #eef2ff 0%, #fff 100%);
}
.bg-brand__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 28px;
  align-items: center;
}
@media (max-width: 860px) {
  .bg-brand__hero-grid {
    grid-template-columns: 1fr;
  }
}
.bg-brand__eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 800;
  color: var(--bg-green2);
}
.bg-brand__h1 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
}
.bg-brand__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--bg-muted);
}
.bg-brand__hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.bg-brand__hero-media {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--bg-line);
  box-shadow: var(--bg-shadow);
}
.bg-brand__hero-media > img:not(.site-img-wm__logo) {
  display: block;
  width: 100%;
  height: auto;
  min-height: 200px;
  object-fit: cover;
}
.bg-brand__hero-media.bg-img-watermark {
  position: relative;
}
.bg-brand__tabs-wrap {
  position: sticky;
  top: 108px;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--bg-line);
}
.bg-brand__tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  -webkit-overflow-scrolling: touch;
}
.bg-brand__tabs a {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  color: var(--bg-muted);
  border: 1px solid transparent;
}
.bg-brand__tabs a:hover {
  border-color: var(--bg-line);
  color: var(--bg-green2);
}
.bg-brand__panels {
  padding: 32px 0 56px;
}
.bg-brand__panel {
  margin-bottom: 36px;
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--bg-line);
  background: #fff;
}
.bg-brand__panel--wash {
  background: var(--bg-panel);
}
.bg-brand__panel-h {
  margin: 0 0 16px;
  font-size: 1.2rem;
  font-weight: 900;
  color: #1e1b4b;
}
.bg-brand__panel-lead {
  margin: 0 0 16px;
  color: var(--bg-muted);
}
.bg-brand__duo {
  display: grid;
  gap: 14px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--bg-muted);
}
.bg-brand__pillars {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 640px) {
  .bg-brand__pillars {
    grid-template-columns: 1fr;
  }
}
.bg-brand__pillars article {
  padding: 16px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--bg-line);
}
.bg-brand__pillars span {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--bg-green2);
}
.bg-brand__pillars h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}
.bg-brand__pillars p {
  margin: 0;
  font-size: 14px;
  color: var(--bg-muted);
}
.bg-brand__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}
@media (max-width: 560px) {
  .bg-brand__facts {
    grid-template-columns: 1fr;
  }
}
.bg-brand__facts div {
  padding: 14px;
  border-radius: 12px;
  background: var(--bg-panel);
}
.bg-brand__facts dt {
  font-weight: 900;
  color: var(--bg-green2);
  margin-bottom: 4px;
}
.bg-brand__facts dd {
  margin: 0;
  font-size: 14px;
  color: var(--bg-muted);
}
.bg-brand__svc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.bg-brand__svc-list li {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--bg-line);
  font-size: 14px;
  line-height: 1.55;
}
.bg-brand__sec-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 720px) {
  .bg-brand__sec-row {
    grid-template-columns: 1fr;
  }
}
.bg-brand__sec-row article {
  padding: 16px;
  border-radius: 14px;
  background: var(--bg-panel);
  text-align: center;
}
.bg-brand__gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.bg-brand__gallery figure {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
}
.bg-brand__gallery .bg-img-watermark > img:not(.site-img-wm__logo) {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.bg-brand__quotes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 640px) {
  .bg-brand__quotes {
    grid-template-columns: 1fr;
  }
}
.bg-brand__quotes blockquote {
  margin: 0;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--bg-line);
  background: #fff;
}
.bg-brand__quotes p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.55;
}
.bg-brand__quotes footer {
  font-size: 12px;
  font-weight: 700;
  color: var(--bg-green2);
}
.bg-brand__foot {
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--bg-muted);
}
.bg-brand__foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
}
.bg-brand__foot-links a {
  font-weight: 800;
  color: var(--bg-green2);
}

/* ----- static bg-doc ----- */
.bg-doc__head {
  padding: 28px 0 16px;
}
.bg-doc__h1 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 900;
}
.bg-doc__lead,
.bg-doc__sub {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--bg-muted);
  max-width: 68ch;
}
.bg-doc__frame {
  display: grid;
  grid-template-columns: minmax(160px, 200px) minmax(0, 1fr);
  gap: 28px;
  padding-bottom: 56px;
  align-items: start;
}
@media (max-width: 800px) {
  .bg-doc__frame {
    grid-template-columns: 1fr;
  }
}
.bg-doc__nav {
  position: sticky;
  top: 130px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--bg-line);
  background: var(--bg-panel);
}
@media (max-width: 800px) {
  .bg-doc__nav {
    position: static;
  }
}
.bg-doc__nav-k {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--bg-muted);
}
.bg-doc__nav ul {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}
.bg-doc__nav a {
  display: block;
  padding: 6px 0;
  font-weight: 700;
  color: var(--bg-green2);
  text-decoration: none;
}
.bg-doc__nav-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--bg-muted);
}
.bg-doc__sheet {
  padding: 28px 32px;
  border-radius: 18px;
  border: 1px solid var(--bg-line);
  background: #fff;
  box-shadow: var(--bg-shadow-soft);
}
.bg-doc__prose {
  font-size: 15px;
  line-height: 1.75;
}
.bg-doc__prose h2 {
  margin: 1.5em 0 0.5em;
  font-size: 1.15rem;
  font-weight: 900;
  color: #1e1b4b;
}
.bg-doc__prose p,
.bg-doc__prose li {
  color: var(--bg-muted);
}

/* ----- changelog bg-log ----- */
.bg-log__hero {
  padding: 28px 0 20px;
  background: linear-gradient(180deg, #eef2ff 0%, #fff 72%);
}
.bg-log__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 400px);
  gap: 28px;
  align-items: center;
}
@media (max-width: 900px) {
  .bg-log__hero-grid {
    grid-template-columns: 1fr;
  }
}
.bg-log__tag {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--bg-green2);
}
.bg-log__h1 {
  margin: 0 0 10px;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 900;
}
.bg-log__lead,
.bg-log__sub {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--bg-muted);
  max-width: 68ch;
}
.bg-log__latest {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(124, 58, 237, 0.25);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--bg-shadow-soft);
}
.bg-log__latest-badge {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(90deg, #4c1d95, #7c3aed);
}
.bg-log__latest-ver {
  font-size: 1rem;
  font-weight: 900;
  color: var(--bg-green2);
}
.bg-log__latest-date {
  margin-left: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--bg-muted);
}
.bg-log__latest-title {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--bg-muted);
}
.bg-log__hero-media {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--bg-line);
  box-shadow: var(--bg-shadow);
}
.bg-log__hero-media.bg-img-watermark {
  position: relative;
}
.bg-log__hero-media > img:not(.site-img-wm__logo) {
  display: block;
  width: 100%;
  height: auto;
  min-height: 200px;
  object-fit: cover;
}
.bg-log__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 20px 0 28px;
}
@media (max-width: 720px) {
  .bg-log__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.bg-log__stat {
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--bg-line);
  background: var(--bg-panel);
  text-align: center;
}
.bg-log__stat-v {
  display: block;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--bg-green2);
}
.bg-log__stat-l {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--bg-muted);
}
.bg-log__sec-h {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 900;
  color: #1e1b4b;
}
.bg-log__sec-lead {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--bg-muted);
  max-width: 72ch;
}
.bg-log__focus {
  padding-bottom: 32px;
}
.bg-log__focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 800px) {
  .bg-log__focus-grid {
    grid-template-columns: 1fr;
  }
}
.bg-log__focus-card {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--bg-line);
  background: #fff;
  box-shadow: var(--bg-shadow-soft);
}
.bg-log__focus-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 900;
  color: var(--bg-green2);
}
.bg-log__focus-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--bg-muted);
}
.bg-log__timeline-wrap {
  padding-bottom: 36px;
}
.bg-log__timeline {
  margin: 0 0 0 10px;
  padding: 4px 0 4px 30px;
  list-style: none;
  border-left: 2px solid var(--bg-line);
}
.bg-log__node {
  position: relative;
  margin-bottom: 20px;
}
.bg-log__node:last-child {
  margin-bottom: 0;
}
.bg-log__axis {
  position: absolute;
  left: -36px;
  top: 22px;
  display: flex;
  justify-content: center;
  width: 20px;
}
.bg-log__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-green2);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.15);
}
.bg-log__card {
  margin: 0;
  padding: 20px 20px 20px 24px;
  border-radius: 16px;
  border: 1px solid var(--bg-line);
  background: #fff;
  border-left: 5px solid var(--bg-green2);
  box-shadow: var(--bg-shadow-soft);
}
.bg-log__card--latest {
  border-left-color: #7c3aed;
  background: linear-gradient(135deg, #faf5ff 0%, #fff 55%);
}
.bg-log__card-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: baseline;
  margin-bottom: 10px;
}
.bg-log__pill {
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  color: #fff;
  background: #7c3aed;
}
.bg-log__ver {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--bg-green2);
}
.bg-log__date {
  font-size: 13px;
  color: var(--bg-muted);
  font-weight: 700;
}
.bg-log__card-title {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 900;
}
.bg-log__card-ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 14px;
  line-height: 1.55;
  color: var(--bg-muted);
}
.bg-log__aside-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  padding-bottom: 32px;
}
@media (max-width: 760px) {
  .bg-log__aside-grid {
    grid-template-columns: 1fr;
  }
}
.bg-log__tips,
.bg-log__note {
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--bg-line);
  background: var(--bg-panel);
}
.bg-log__tips-ul {
  margin: 0;
  padding-left: 1.15em;
  font-size: 14px;
  line-height: 1.6;
  color: var(--bg-muted);
}
.bg-log__note p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--bg-muted);
}
.bg-log__note p:last-child {
  margin-bottom: 0;
}
.bg-log__faq {
  padding-bottom: 32px;
}
.bg-log__faq-list {
  display: grid;
  gap: 10px;
}
.bg-log__faq-item {
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid var(--bg-line);
  background: #fff;
}
.bg-log__faq-item summary {
  font-weight: 800;
  cursor: pointer;
  color: #1e1b4b;
}
.bg-log__faq-item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--bg-muted);
}
.bg-log__related {
  padding-bottom: 32px;
}
.bg-log__related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 800px) {
  .bg-log__related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.bg-log__related-tile {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--bg-line);
  background: #fff;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.bg-log__related-tile:hover {
  border-color: var(--bg-green2);
  box-shadow: var(--bg-shadow-soft);
}
.bg-log__related-k {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--bg-green2);
}
.bg-log__related-t {
  font-size: 14px;
  font-weight: 800;
  color: #1e1b4b;
}
.bg-log__cta {
  padding: 28px;
  margin-bottom: 48px;
  border-radius: 18px;
  background: linear-gradient(135deg, #312e81, #4c1d95);
  color: #e0e7ff;
}
.bg-log__cta-h {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 900;
  color: #fff;
}
.bg-log__cta p {
  margin: 0 0 16px;
  font-size: 14px;
}
.bg-log__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.bg-log__cta .bg-hub__btn--ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #e0e7ff;
}

/* ----- 404 bg-miss ----- */
.bg-miss {
  padding: 40px 0 56px;
}
.bg-miss__split {
  display: grid;
  grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  margin-bottom: 40px;
}
@media (max-width: 720px) {
  .bg-miss__split {
    grid-template-columns: 1fr;
  }
}
.bg-miss__visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bg-miss__orbit {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 3px dashed rgba(124, 58, 237, 0.35);
  animation: nx-orbit 12s linear infinite;
}
@keyframes nx-orbit {
  to {
    transform: rotate(360deg);
  }
}
.bg-miss__code {
  font-size: clamp(4rem, 18vw, 7rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(160deg, #7c3aed, #06b6d4);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.bg-miss__h1 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 900;
}
.bg-miss__lead {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--bg-muted);
}
.bg-miss__path {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--bg-muted);
}
.bg-miss__path code {
  display: block;
  margin-top: 6px;
  padding: 10px;
  border-radius: 10px;
  background: var(--bg-panel);
  word-break: break-all;
  font-size: 12px;
}
.bg-miss__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.bg-miss__help h2 {
  margin: 0 0 16px;
  font-size: 1.1rem;
  font-weight: 900;
}
.bg-miss__tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
@media (max-width: 720px) {
  .bg-miss__tiles {
    grid-template-columns: 1fr;
  }
}
.bg-miss__tiles article {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--bg-line);
  background: #fff;
}
.bg-miss__tiles h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 900;
  color: var(--bg-green2);
}
.bg-miss__tiles p {
  margin: 0;
  font-size: 14px;
  color: var(--bg-muted);
}
.bg-miss__more {
  font-size: 14px;
  color: var(--bg-muted);
}
.bg-miss__more a {
  font-weight: 800;
  color: var(--bg-green2);
}

/* ----- footer nx-foot ----- */
.nx-foot {
  position: relative;
  margin-top: 0;
  background: #0f172a;
  color: rgba(255, 255, 255, 0.88);
  overflow: hidden;
}
.nx-foot__wave {
  height: 6px;
  background: linear-gradient(90deg, #7c3aed, #06b6d4, #6366f1);
}
.nx-foot__inner {
  padding: 40px var(--bg-page-gutter) 28px;
  max-width: var(--bg-page-max);
  margin: 0 auto;
}
.nx-foot__top {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}
@media (max-width: 800px) {
  .nx-foot__top {
    grid-template-columns: 1fr;
  }
}
.nx-foot__name {
  margin: 0 0 10px;
  font-size: 1.25rem;
  font-weight: 900;
  color: #fff;
}
.nx-foot__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
}
.nx-foot__k {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #a5f3fc;
}
.nx-foot__contact ul,
.nx-foot__nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.7;
}
.nx-foot__contact a,
.nx-foot__nav a {
  color: #c4b5fd;
  text-decoration: none;
  font-weight: 600;
}
.nx-foot__nav a:hover,
.nx-foot__contact a:hover {
  color: #fff;
}
.nx-foot__bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}
.nx-foot__bar a {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 700;
}