:root {
  --bg: #22130f;
  --bg-soft: #2d1a15;
  --card: #2f1d17;
  --card-2: #3a2219;
  --line: rgba(255, 226, 183, 0.12);
  --text: #f7ead8;
  --muted: #d3bfa7;
  --accent: #f6b24e;
  --accent-2: #ffdd9f;
  --red: #ff7d68;
  --green: #8ccf9d;
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(255, 185, 93, 0.12), transparent 28%),
    radial-gradient(circle at bottom left, rgba(255, 125, 104, 0.08), transparent 24%),
    var(--bg);
  color: var(--text);
  line-height: 1.72;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(34, 19, 15, 0.88);
  border-bottom: 1px solid var(--line);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.brand-text { min-width: 0; }
.brand-name {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.1;
  font-weight: 800;
}
.brand-tag {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  color: var(--text);
  border-radius: 14px;
  width: 48px;
  height: 48px;
  font-size: 1.3rem;
}
.main-nav { display: flex; align-items: center; gap: 8px 10px; flex-wrap: wrap; justify-content: flex-end; }
.main-nav a {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 12px;
  transition: 0.2s ease;
  font-weight: 600;
}
.main-nav a:hover, .main-nav a.is-current {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.hero {
  padding: 42px 0 18px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.95fr;
  gap: 24px;
  align-items: stretch;
}
.panel, .card, .entry, .faq-item, .stat-card, .article-card, .term-card, .flag-item, .guide-card, .glossary-table, .note-box {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-copy {
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(246, 178, 78, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(246, 178, 78, 0.12);
  color: var(--accent-2);
  font-size: 0.92rem;
  font-weight: 700;
}
.hero h1, .page-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.hero p.lead, .page-hero p.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 700;
  border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), #ffcf7b); color: #2f1707; }
.btn-secondary { border-color: var(--line); color: var(--text); background: rgba(255,255,255,0.02); }
.tag-list, .hot-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag, .hot-terms a {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 0.94rem;
  border: 1px solid rgba(255,255,255,0.05);
}
.hero-side {
  display: grid;
  gap: 18px;
}
.image-card {
  overflow: hidden;
  min-height: 420px;
}
.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.quick-search, .hero-note {
  padding: 24px;
}
.inline-search {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.inline-search input, .filter-bar input, .filter-bar select {
  width: 100%;
  min-height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 0 14px;
}
.inline-search button, .filter-bar button {
  min-width: 110px;
  min-height: 48px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #ffcf7b);
  color: #2f1707;
  font-weight: 700;
}
section {
  padding: 22px 0;
}
.section-head {
  display: flex;
  gap: 16px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 18px;
}
.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1.2;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
}
.scene-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
}
.scene-stack {
  display: grid;
  gap: 18px;
}
.entry, .term-card, .flag-item, .guide-card, .faq-item, .article-card {
  padding: 22px;
}
.entry h3, .term-card h3, .flag-item h3, .guide-card h3, .article-card h3, .faq-item h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}
.entry p, .term-card p, .flag-item p, .guide-card p, .article-card p, .faq-item p {
  margin: 0;
  color: var(--muted);
}
.scene-big {
  min-height: 100%;
}
.flag-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.relation-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.stat-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.stat-card {
  padding: 18px 20px;
}
.stat-card strong {
  display: block;
  font-size: 1.55rem;
  line-height: 1;
}
.stat-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}
.articles-grid, .topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.article-card .meta {
  margin-bottom: 10px;
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 700;
}
.article-card .links {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.article-card .links a {
  color: var(--accent-2);
  font-weight: 700;
}
.page-hero {
  padding: 34px;
}
.page-grid {
  display: grid;
  gap: 16px;
}
.glossary-table {
  overflow: hidden;
}
.glossary-table table {
  width: 100%;
  border-collapse: collapse;
}
.glossary-table th, .glossary-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.glossary-table th {
  color: var(--accent-2);
  font-size: 0.95rem;
}
.list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.breadcrumbs {
  margin: 12px 0 18px;
  color: var(--muted);
  font-size: 0.95rem;
}
.breadcrumbs a { color: var(--accent-2); }
.article-layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.toc {
  position: sticky;
  top: 96px;
  padding: 20px;
}
.toc h3 { margin: 0 0 12px; font-size: 1rem; }
.toc a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
}
.article-body {
  padding: 28px;
}
.article-body h2 {
  margin-top: 0;
  scroll-margin-top: 100px;
}
.article-body h3 {
  margin-top: 28px;
}
.article-body p, .article-body li {
  color: var(--text);
}
.article-body ul {
  padding-left: 20px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.filter-bar {
  display: grid;
  grid-template-columns: 1fr 220px 140px;
  gap: 12px;
  margin-bottom: 18px;
}
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  color: var(--muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 18px;
}
.footer-grid h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 1rem;
}
.footer-grid a {
  display: block;
  color: var(--muted);
  padding: 6px 0;
}
.note-box {
  padding: 18px 20px;
}
.empty-state {
  padding: 28px;
  text-align: center;
  color: var(--muted);
}
.mobile-nav {
  display: none;
}

@media (max-width: 980px) {
  .hero-grid, .scene-grid, .article-layout, .footer-grid, .filter-bar {
    grid-template-columns: 1fr;
  }
  .articles-grid, .topics-grid, .related-grid, .flag-grid, .relation-grid, .stat-board, .list-grid {
    grid-template-columns: 1fr 1fr;
  }
  .toc { position: static; }
}
@media (max-width: 760px) {
  .header-row { min-height: 72px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .main-nav {
    display: none;
    position: absolute;
    top: 79px;
    left: 16px;
    right: 16px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(34, 19, 15, 0.98);
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: grid; }
  .main-nav a { width: 100%; }
  .hero-copy, .page-hero, .article-body { padding: 24px; }
  .articles-grid, .topics-grid, .related-grid, .flag-grid, .relation-grid, .stat-board, .list-grid {
    grid-template-columns: 1fr;
  }
  .inline-search { flex-direction: column; }
}


/* enterprise homepage */
.enterprise-strip {
  padding: 12px 0 0;
}
.strip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.strip-list span {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  font-size: 0.94rem;
}
.corp-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: stretch;
}
.corp-copy {
  padding: 36px;
  background: linear-gradient(135deg, rgba(246,178,78,0.08), transparent 42%), linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
}
.corp-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 0.92rem;
}
.corp-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.corp-summary article {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
}
.corp-summary strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}
.corp-summary p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.corp-media {
  display: grid;
  gap: 16px;
  padding: 18px;
}
.corp-media-image {
  overflow: hidden;
  border-radius: 22px;
  min-height: 340px;
}
.corp-media-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.corp-media-card {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.corp-media-card h3 {
  margin: 0 0 8px;
}
.corp-media-card p {
  margin: 0;
  color: var(--muted);
}
.office-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.office-card {
  padding: 24px;
}
.office-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}
.office-card p {
  margin: 0 0 14px;
  color: var(--muted);
}
.office-card a {
  color: var(--accent-2);
  font-weight: 700;
}
.process-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.process-step {
  padding: 24px;
}
.process-step span {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(246,178,78,0.14);
  color: var(--accent-2);
  font-weight: 800;
  margin-bottom: 14px;
}
.process-step h3 {
  margin: 0 0 10px;
}
.process-step p {
  margin: 0;
  color: var(--muted);
}
.search-board {
  padding: 30px;
}
.search-layout {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 18px;
  align-items: center;
}
.board-terms {
  margin-top: 14px;
}
.trust-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
}
.trust-main {
  padding: 28px;
}
.trust-main h3 {
  margin: 0 0 12px;
  font-size: 1.3rem;
}
.trust-list {
  margin: 0;
  padding-left: 20px;
}
.trust-list li {
  margin-bottom: 12px;
  color: var(--muted);
}
.trust-side {
  display: grid;
  gap: 16px;
}
.trust-note {
  padding: 22px;
}
.trust-note h3 {
  margin: 0 0 8px;
}
.trust-note p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 980px) {
  .corp-grid,
  .search-layout,
  .trust-layout,
  .office-grid,
  .process-row,
  .corp-summary {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  .corp-copy,
  .search-board,
  .trust-main,
  .office-card,
  .process-step,
  .trust-note {
    padding: 24px;
  }
  .corp-media {
    padding: 14px;
  }
}