:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --card: rgba(255,255,255,0.06);
  --card-strong: rgba(255,255,255,0.1);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --line: rgba(255,255,255,0.12);
  --brand: #f59e0b;
  --brand-soft: #fbbf24;
  --accent: #22c55e;
  --max: 1180px;
  --shadow: 0 20px 40px rgba(0,0,0,.25);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(245,158,11,.16), transparent 22%),
    radial-gradient(circle at left 20%, rgba(59,130,246,.12), transparent 20%),
    linear-gradient(180deg, #09101f 0%, #0f172a 52%, #111827 100%);
  line-height: 1.72;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.skip-link {
  position: absolute; left: -9999px; top: 8px; background: #fff; color: #000; padding: 10px 14px; border-radius: 8px;
}
.skip-link:focus { left: 8px; z-index: 99; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(9,16,31,.72);
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px;
}
.brand {
  display: flex; align-items: center; gap: 14px; min-width: 0;
}
.brand img { width: 150px; height: auto; }
.brand-text strong { display:block; font-size:1.04rem; }
.brand-text span { color: var(--muted); font-size:.92rem; }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: rgba(255,255,255,.06); color:#fff;
  padding: 10px 12px; border-radius: 12px; font-size: 1rem;
}
.nav-links {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.nav-links a { color: #dbeafe; font-weight: 600; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--brand-soft); }
.hero {
  padding: 52px 0 28px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,158,11,.14); color: #fde68a;
  border: 1px solid rgba(245,158,11,.25); padding: 8px 12px; border-radius: 999px; font-size:.92rem; font-weight:700;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.1; margin: 16px 0 14px; letter-spacing: -.02em;
}
.hero p.lead {
  margin: 0 0 20px; color: #dbe4f0; font-size: 1.08rem; max-width: 62ch;
}
.hero-cards {
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin: 20px 0 26px;
}
.info-card {
  background: var(--card); border: 1px solid var(--line); padding: 18px; border-radius: 20px; box-shadow: var(--shadow);
}
.info-card h2, .info-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.info-card p { margin: 0; color: var(--muted); }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; }
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height: 48px; padding: 0 18px; border-radius: 14px; font-weight: 800;
  border: 1px solid transparent; transition: .2s ease;
}
.btn-primary { background: linear-gradient(135deg, var(--brand), #f97316); color:#111827; }
.btn-secondary { background: rgba(255,255,255,.04); border-color: var(--line); color:#fff; }
.btn:hover, .btn:focus-visible { transform: translateY(-1px); }
.hero-visual {
  position: relative; padding: 24px; border-radius: 28px; background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)); border: 1px solid var(--line); box-shadow: var(--shadow);
}
.hero-visual .logo-wrap {
  aspect-ratio: 4 / 3; display:grid; place-items:center; border-radius: 22px;
  background: radial-gradient(circle at center, rgba(255,255,255,.08), rgba(255,255,255,.02));
  overflow:hidden;
}
.hero-visual img.logo-main { width: min(100%, 520px); height: auto; }
.floating-badge {
  position:absolute; right:18px; bottom:18px; display:flex; align-items:center; gap:12px;
  background: rgba(15,23,42,.92); border:1px solid var(--line); padding: 12px 14px; border-radius: 18px;
}
.floating-badge img { width: 54px; height: 54px; border-radius: 16px; }
.floating-badge small { display:block; color:var(--muted); }
.section {
  padding: 30px 0;
}
.section-title {
  display:flex; align-items:end; justify-content:space-between; gap: 18px; margin-bottom: 20px;
}
.section-title h2 { margin:0; font-size: clamp(1.5rem, 2.2vw, 2.2rem); }
.section-title p { margin:0; color:var(--muted); max-width: 60ch; }
.grid-3, .grid-2, .grid-4 {
  display:grid; gap: 18px;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 22px; box-shadow: var(--shadow);
}
.panel h3 { margin:0 0 10px; font-size: 1.12rem; }
.panel p, .panel li { color: var(--muted); }
.panel ul { padding-left: 18px; margin: 10px 0 0; }
.icon-chip {
  width: 56px; height: 56px; border-radius: 18px; margin-bottom: 14px; overflow:hidden; border: 1px solid var(--line); background:#fff1;
}
.icon-chip img { width:100%; height:100%; object-fit:cover; }
.article-list { display:grid; gap: 18px; }
.article-card {
  display:grid; grid-template-columns: 180px 1fr; gap: 18px;
  background: var(--card); border:1px solid var(--line); border-radius: 24px; padding: 18px; box-shadow: var(--shadow);
}
.article-cover {
  border-radius: 18px; overflow:hidden; background: linear-gradient(160deg, rgba(245,158,11,.25), rgba(59,130,246,.2));
  min-height: 140px; display:grid; place-items:center; padding: 18px;
}
.article-cover img { width: 100px; opacity: .95; }
.article-card h3 { margin:0 0 8px; font-size: 1.2rem; }
.meta { display:flex; flex-wrap:wrap; gap:12px; color:var(--muted); font-size: .92rem; }
.tags { display:flex; flex-wrap:wrap; gap: 10px; margin-top: 12px; }
.tag { padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,.06); color:#dbeafe; font-size:.88rem; }
.story-layout {
  display:grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items:start;
}
.toc, .sticky-box { position: sticky; top: 96px; }
.toc ul { list-style:none; padding:0; margin:0; display:grid; gap: 10px; }
.toc a { color:#dbeafe; }
.toc a:hover { color: var(--brand-soft); }
.callout {
  border-left: 4px solid var(--brand); background: rgba(245,158,11,.08); padding: 16px 18px; border-radius: 0 18px 18px 0; color:#fef3c7;
}
.notice {
  background: rgba(34,197,94,.08); border:1px solid rgba(34,197,94,.2); border-radius: 18px; padding: 16px 18px; color:#dcfce7;
}
.kicker { color: var(--brand-soft); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .82rem; }
.article-body h1 { font-size: clamp(2rem, 4vw, 3rem); line-height:1.16; margin: 12px 0 16px; }
.article-body h2 { margin-top: 34px; font-size: 1.5rem; }
.article-body p { color:#dbe4f0; }
.article-body .lead { font-size:1.08rem; color:#f8fafc; }
.breadcrumbs {
  display:flex; flex-wrap:wrap; gap: 8px; color: var(--muted); font-size: .92rem; margin-bottom: 8px;
}
.breadcrumbs a { color:#cbd5e1; }
.kv-list { display:grid; gap: 12px; }
.kv-item {
  display:grid; grid-template-columns: 90px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line);
}
.kv-item:first-child { border-top: 0; padding-top: 0; }
.kv-item strong { color:#fff; }
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; margin-bottom: 12px;
}
.faq summary { cursor:pointer; font-weight:700; }
.site-footer {
  padding: 34px 0 46px; border-top: 1px solid var(--line); margin-top: 24px; background: rgba(0,0,0,.12);
}
.footer-grid {
  display:grid; grid-template-columns: 1.2fr .8fr .8fr .8fr; gap: 20px;
}
.footer-brand { display:flex; align-items:flex-start; gap:16px; }
.footer-brand img { width: 120px; }
.footer-meta { color: var(--muted); }
.table-like { width:100%; border-collapse: collapse; }
.table-like th, .table-like td { padding: 12px; border-bottom:1px solid var(--line); text-align:left; }
.hero-mini {
  background: linear-gradient(135deg, rgba(245,158,11,.14), rgba(59,130,246,.12)); border:1px solid var(--line); border-radius: 22px; padding: 18px; color:#e2e8f0;
}
.page-top { padding-top: 34px; }
@media (max-width: 980px) {
  .hero-grid, .story-layout, .footer-grid, .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .article-card { grid-template-columns: 1fr; }
  .toc, .sticky-box { position: static; }
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display:none; position:absolute; left:16px; right:16px; top:72px; flex-direction:column; align-items:flex-start;
    background: rgba(9,16,31,.96); border: 1px solid var(--line); border-radius: 20px; padding: 16px;
  }
  .nav-links.open { display:flex; }
  .hero-cards { grid-template-columns: 1fr; }
  .brand img { width: 120px; }
  .kv-item { grid-template-columns: 1fr; }
}


.column-card ul, .mini-list, .ordered-list {
  margin: 12px 0 18px;
  padding-left: 20px;
}
.mini-list li, .ordered-list li, .column-card li {
  color: var(--muted);
  margin-bottom: 8px;
}
.column-card .btn { margin-top: 8px; }
.related-block { margin-top: 28px; }
.compact-note p { color: var(--muted); }
.compact-note .btn { width: 100%; margin-top: 8px; }
.ordered-list li::marker { color: var(--brand-soft); font-weight: 700; }


.profile-list { display:grid; gap: 14px; }
.profile-item { background: var(--card); border:1px solid var(--line); border-radius: 20px; padding: 18px; }
.profile-item h3 { margin:0 0 8px; }
.site-note-grid { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:18px; }
.contact-methods { display:grid; gap:16px; }
.contact-box { background: var(--card); border:1px solid var(--line); border-radius: 22px; padding: 20px; }
.contact-box strong { display:block; margin-bottom: 6px; }
.contact-form { display:grid; gap: 14px; }
.contact-form label { display:grid; gap: 8px; font-weight: 700; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 12px 14px; border-radius: 14px; border:1px solid var(--line);
  background: rgba(255,255,255,.05); color:#fff; font: inherit;
}
.contact-form textarea { min-height: 150px; resize: vertical; }
.inline-note { color: var(--muted); font-size: .94rem; }
.highlight-box { background: linear-gradient(135deg, rgba(245,158,11,.14), rgba(59,130,246,.10)); border:1px solid var(--line); border-radius: 24px; padding: 22px; }
@media (max-width: 980px) { .site-note-grid { grid-template-columns: 1fr; } }


.article-pager {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 14px;
  margin-top: 26px;
}
.pager-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  transition: .2s ease;
  min-height: 116px;
}
.pager-card small {
  color: var(--muted);
  font-weight: 700;
  letter-spacing: .02em;
}
.pager-card strong {
  color: #f8fafc;
  line-height: 1.45;
}
.pager-card:hover,
.pager-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(245,158,11,.35);
  background: rgba(245,158,11,.08);
}
.pager-archive {
  background: linear-gradient(135deg, rgba(245,158,11,.12), rgba(59,130,246,.08));
}
.pager-card.is-disabled {
  opacity: .65;
  cursor: not-allowed;
}
@media (max-width: 980px) {
  .article-pager {
    grid-template-columns: 1fr;
  }
}