:root {
  --bg: #070b14;
  --panel: rgba(13, 20, 36, 0.92);
  --panel-2: rgba(22, 31, 52, 0.9);
  --text: #e8f0ff;
  --muted: #9fb0cc;
  --accent: #f2c94c;
  --accent-2: #58d7ff;
  --good: #5ee38d;
  --danger: #ff6b8b;
  --border: rgba(148, 163, 184, 0.18);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
  --radius: 22px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(88, 215, 255, 0.14), transparent 30%),
    radial-gradient(circle at 90% 10%, rgba(242, 201, 76, 0.14), transparent 26%),
    linear-gradient(180deg, #050913 0%, #091120 46%, #070b14 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1240px, calc(100% - 32px)); margin: 0 auto; padding: 18px 0 56px; }
.topbar { position: sticky; top: 0; z-index: 30; backdrop-filter: blur(18px); background: rgba(7, 11, 20, 0.72); border-bottom: 1px solid rgba(148, 163, 184, 0.12); }
.topbar-inner { width: min(1240px, calc(100% - 32px)); margin: 0 auto; display: flex; align-items: center; gap: 16px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 0.02em; white-space: nowrap; }
.brand-mark { width: 36px; height: 36px; border-radius: 12px; background: linear-gradient(135deg, var(--accent), #ffdd7d); color: #111827; display: grid; place-items: center; font-weight: 900; box-shadow: 0 12px 30px rgba(242, 201, 76, 0.24); }
nav { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.nav-link, .nav-cta { padding: 9px 12px; border-radius: 999px; color: var(--muted); border: 1px solid transparent; transition: all .18s ease; font-size: 14px; }
.nav-link:hover { color: #fff; border-color: var(--border); background: rgba(255,255,255,.04); }
.nav-cta { margin-left: auto; background: linear-gradient(135deg, var(--accent), #ffe18a); color: #121826; font-weight: 800; }
.search { flex: 1; display: flex; justify-content: center; }
.search input { width: min(100%, 380px); border: 1px solid rgba(148, 163, 184, 0.18); background: rgba(255,255,255,0.05); color: var(--text); border-radius: 999px; padding: 11px 16px; outline: none; }
.card, .stat, .panel, .topic-card, .content-card, .quick-card, .detail-card { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 18px; }
.hero, .topic-grid, .quick-grid, .content-grid, .detail-layout { display: grid; gap: 12px; }
.article-directory { display: grid; gap: 14px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.directory-more-wrap { margin-top: 14px; }
.directory-more { display:block; width:100%; text-align:center; padding:14px 18px; border-radius:14px; border:1px solid var(--border); background: rgba(255,255,255,.05); color: var(--text); font-weight:800; }
.hero { grid-template-columns: 1.35fr .95fr; gap: 20px; margin-top: 20px; align-items: start; }
.hero-main { min-height: auto; padding: 30px; position: relative; overflow: hidden; background: linear-gradient(180deg, rgba(13,20,36,.9), rgba(13,20,36,.74)), radial-gradient(circle at right top, rgba(88,215,255,.14), transparent 34%), radial-gradient(circle at left bottom, rgba(242,201,76,.12), transparent 30%); }
.hero-bg { position:absolute; inset:-20% -10% auto auto; width:420px; height:420px; background: radial-gradient(circle, rgba(88,215,255,.14), transparent 62%); filter: blur(10px); pointer-events:none; }
.hero-main > * { position: relative; z-index: 1; }
.accent-box { background: linear-gradient(180deg, rgba(88,215,255,.08), rgba(13,20,36,.92)); }
.hero-mini-grid { display:grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap:12px; margin-top:12px; }
.mini-card { padding:16px; border-radius:18px; border:1px solid var(--border); background: rgba(255,255,255,.04); }
.mini-card strong { display:block; margin:6px 0 4px; font-size:16px; color:#fff; }
.mini-card p { margin:0; color:var(--muted); font-size:13px; }
.mini-label { font-size:12px; color:#ffe493; background: rgba(242,201,76,.12); border:1px solid rgba(242,201,76,.16); padding:4px 8px; border-radius:999px; display:inline-block; }
.content-grid-hero, .topic-grid-hero { grid-template-columns: repeat(2,minmax(0,1fr)); }
.hot-tags-band { justify-content:flex-start; }
.data-table { width:100%; border-collapse:collapse; overflow:hidden; border-radius:14px; }
.data-table th, .data-table td { padding:12px 14px; border-bottom:1px solid var(--border); text-align:left; font-size:14px; }
.data-table th { width: 32%; color:#d8e4ff; background: rgba(255,255,255,.03); }
.data-table td { color: var(--muted); }

.badge, .tag, .content-badge, .chip, .pill { display:inline-flex; align-items:center; gap:8px; border-radius:999px; font-size:13px; }
.badge { padding: 8px 12px; background: rgba(242,201,76,.12); color: #ffe493; border: 1px solid rgba(242,201,76,.22); }
h1 { margin: 14px 0 12px; font-size: clamp(34px,5vw,58px); line-height: 1.02; letter-spacing: -.04em; max-width: 100%; }
.lead { max-width: 760px; color: var(--muted); font-size: 16px; margin: 0 0 22px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-bottom:16px; }
.btn, .nav-link, .nav-cta { transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.btn { appearance:none; border:0; border-radius:14px; padding:13px 18px; font-weight:800; cursor:pointer; text-decoration:none; display:inline-flex; align-items:center; justify-content:center; }
.btn:hover, .nav-link:hover, .nav-cta:hover, .quick-card:hover, .topic-card:hover, .content-card:hover, .detail-card:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #ffdf84); color: #111827; }
.btn-secondary { background: rgba(148, 163, 184, 0.14); color: var(--text); border: 1px solid var(--border); }
.hero-tags, .pill-list, .tag-list, .meta-list, .toc-list { display:flex; flex-wrap:wrap; gap:10px; padding:0; margin:0; list-style:none; }
.chip { padding:8px 12px; background: rgba(255,255,255,.05); color: #dfe9ff; border: 1px solid rgba(148,163,184,.16); cursor:pointer; }
.chip.active { background: rgba(88,215,255,.14); border-color: rgba(88,215,255,.28); color:#fff; }
.pill { padding:9px 12px; background: rgba(88,215,255,.12); border:1px solid rgba(88,215,255,.18); color:#daf8ff; cursor:pointer; }
.stat-grid { display:grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap:12px; margin-top:8px; }
.stat { padding:16px; }
.stat strong { display:block; font-size:28px; margin-bottom:4px; color:#fff; }
.stat span { color: var(--muted); font-size:13px; }
.hero-side { display:grid; gap:12px; align-content:start; }
.side-box { padding:18px 20px; background: var(--panel-2); border-radius: var(--radius); border: 1px solid var(--border); }
.side-box h2, .section h2 { margin:0 0 12px; font-size:20px; }
.section { margin-top:16px; padding:24px; }
.section-head { display:flex; gap:12px; align-items:end; justify-content:space-between; margin-bottom:14px; }
.section-head p { margin:0; color:var(--muted); font-size:14px; max-width:72ch; }
.quick-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.quick-card { padding:16px; min-height:126px; cursor:pointer; }
.topic-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.topic-card, .content-card { padding:18px; cursor:pointer; }
.quick-card h3, .topic-card h3, .content-card h3, .detail-card h2 { margin:0 0 8px; font-size:16px; }
.quick-card p, .topic-card p, .content-card p, .detail-card p { margin:0; color:var(--muted); font-size:14px; }
.content-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.content-card { display:grid; gap:10px; }
.content-top { display:flex; justify-content:space-between; gap:10px; align-items:center; }
.content-badge { padding:6px 10px; background: rgba(255,255,255,.06); border: 1px solid rgba(148,163,184,.14); color:#d8e4ff; }
.tag { padding:6px 10px; background: rgba(242,201,76,.12); color:#ffe493; border:1px solid rgba(242,201,76,.2); }
.tag.alt { background: rgba(88,215,255,.12); color:#d7f8ff; border-color: rgba(88,215,255,.18); }
.tag.good { background: rgba(94,227,141,.12); color:#dffbe9; border-color: rgba(94,227,141,.18); }
.callout { margin-top:20px; padding:24px; border-radius: var(--radius); border:1px solid rgba(242,201,76,.22); background: linear-gradient(135deg, rgba(242,201,76,.12), rgba(88,215,255,.08)); }
.footer { margin-top:18px; padding:16px 0 0; color:var(--muted); font-size:13px; text-align:center; }
.detail-layout { grid-template-columns: minmax(0,1.4fr) 320px; margin-top:20px; }
.sidebar-card { padding:18px; background: var(--panel); border:1px solid var(--border); border-radius:18px; box-shadow: var(--shadow); }
.detail-card { padding:24px; }
.breadcrumb { display:flex; flex-wrap:wrap; gap:8px; color:var(--muted); font-size:13px; margin-bottom:14px; }
.article-meta { display:flex; flex-wrap:wrap; gap:10px; align-items:center; margin-bottom:10px; }
.article-title { margin:14px 0 12px; font-size: clamp(30px,4vw,30px); line-height:1.05; width:100%; max-width:none; display:block; }
.article-summary { color: var(--muted); font-size: 16px; margin: 0; width:100%; }
.article-body { display:grid; gap:12px; margin-top: 18px; }
.article-section { padding:20px; border:1px solid var(--border); border-radius:18px; background:rgba(255,255,255,.03); }
.article-section h2 { margin:0 0 8px; font-size:18px; }
.toc-list a, .related-list a { color: var(--muted); font-size:14px; }
.related-list { display:grid; gap:12px; }
.hidden { display:none !important; }
.article-link { display:block; }
.article-directory { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:12px; }
.click-note { margin-top:10px; color:var(--muted); font-size:13px; }
.pagination { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-top:18px; }
.page-btn { min-width:42px; height:42px; padding:0 12px; border-radius:12px; border:1px solid var(--border); background: rgba(255,255,255,.05); color:var(--text); cursor:pointer; font-weight:700; }
.page-btn.active { background: linear-gradient(135deg, var(--accent), #ffdf84); color:#111827; border-color: transparent; }
.page-btn.ghost { background: transparent; color: var(--muted); }
.page-btn:disabled { opacity:.5; cursor:not-allowed; }
.article-nav { display:flex; justify-content:space-between; gap:12px; margin-top:18px; }
.article-nav a { flex:1; padding:14px 16px; border:1px solid var(--border); border-radius:14px; background: rgba(255,255,255,.04); }
.article-nav small { display:block; color: var(--muted); margin-bottom:4px; }
.article-nav strong { display:block; font-size:14px; }
@media (max-width:1040px){.hero,.topic-grid,.quick-grid,.content-grid,.detail-layout{grid-template-columns:1fr 1fr}.nav-cta{margin-left:0}.topbar-inner{flex-wrap:wrap}.search{order:3;flex-basis:100%}.search input{width:100%}}
@media (max-width:780px){.hero,.topic-grid,.quick-grid,.content-grid,.stat-grid,.detail-layout,.article-directory{grid-template-columns:1fr}.section-head{flex-direction:column;align-items:start}.hero-main,.section,.side-box,.detail-card,.sidebar-card{padding:18px}.container{width:min(100% - 20px,1240px)}h1{max-width:100%;font-size:36px}.nav-cta{width:100%;justify-content:center}.article-nav{flex-direction:column}}