:root{
  --brand:#4338ca;
  --brand-dark:#312e81;
  --accent:#f97316;
  --accent-deep:#ea580c;
  --fire:#ef4444;
  --fire-deep:#dc2626;
  --text:#1a233c;
  --text-2:#475069;
  --text-3:#8a93a8;
  --surface:#ffffff;
  --surface-alt:#f6f7fb;
  --border:#e6e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 4px 14px rgba(67,56,202,.08);
  --shadow-md:0 10px 30px rgba(67,56,202,.14);
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);background:var(--surface-alt);line-height:1.65;
}
body.modal-open{overflow:hidden}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.3;color:var(--text)}

/* ============ header / nav ============ */
.site-header{background:#0f172a;border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;z-index:30;box-shadow:0 4px 20px rgba(15,23,42,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo:hover{text-decoration:none}
.nav-logo .logo-img{height:36px;max-width:140px;width:auto;object-fit:contain;filter:brightness(0) invert(1)}
.nav-logo-text{font-size:13px;font-weight:500;color:rgba(255,255,255,.7);letter-spacing:1px;white-space:nowrap}
.topnav{display:flex;gap:22px;flex-wrap:wrap;align-items:center;margin-left:auto}
.topnav a{color:#cbd5e1;font-size:14px;font-weight:600;position:relative;padding:6px 0;display:inline-flex;align-items:center;gap:6px}
.topnav a:hover{color:#fff;text-decoration:none}
.topnav a.active{color:#fff}
.nav-flame{font-size:.82em;margin-right:2px;line-height:1;vertical-align:baseline}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  background:linear-gradient(135deg,#4338ca,#2563eb);
  color:#fff;font-size:13px;font-weight:700;
  padding:8px 18px;border-radius:999px;
  text-decoration:none;white-space:nowrap;
  box-shadow:0 4px 14px rgba(37,99,235,.35);
}
.nav-cta:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 6px 18px rgba(37,99,235,.45)}

/* —— 旧火角标动画保留，ticker 仍可能用到 —— */
.fire-flame{display:inline-block;animation:fire-flicker 1.2s ease-in-out infinite alternate}
@keyframes fire-flicker{
  0%  {transform:scale(1) rotate(-3deg)}
  100%{transform:scale(1.15) rotate(3deg)}
}

/* ============ hero ============ */
.hero{
  background:var(--surface-alt);color:var(--text);
  padding:54px 0 46px;position:relative;overflow:hidden;
  text-align:center;
}
.hero::after{display:none}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;color:var(--brand);margin:0 0 16px;display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;font-weight:700;justify-content:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:5px;
  color:var(--brand);
  font-size:12px;font-weight:800;letter-spacing:.08em;
}
.hero-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;background:#10b981;
  box-shadow:0 0 0 0 rgba(16,185,129,.5);
  animation:hero-pulse 2s ease-in-out infinite;
}
.hero-divider{color:var(--border);font-weight:400}
@keyframes hero-pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(16,185,129,.5)}
  50%{box-shadow:0 0 0 5px rgba(16,185,129,0)}
}
.hero h1{font-size:38px;margin:0 0 18px;font-weight:800;position:relative;z-index:1;letter-spacing:-.02em}
.hero-highlight{color:var(--brand);font-weight:800}
.hero-lede{font-size:16px;max-width:640px;opacity:.85;margin:0 auto 14px;position:relative;z-index:1;color:var(--text-2)}
.hero-meta{font-size:13px;opacity:.7;margin:0;position:relative;z-index:1;color:var(--text-3)}
.hero-meta span{margin-right:6px}

/* ============ ticker 滚动播报 ============ */
.ticker{
  background:#f8fafc;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;
  height:42px;overflow:hidden;
  position:relative;
  z-index:5;
}
.ticker-icon{
  flex:0 0 auto;
  display:flex;align-items:center;gap:6px;
  padding:0 14px;height:100%;
  background:var(--brand);
  color:#fff;font-size:13px;font-weight:700;
  letter-spacing:.02em;
}
.ticker-flame{font-size:15px;animation:fire-flicker 1.2s ease-in-out infinite alternate}
.ticker-label{white-space:nowrap}
.ticker-window{
  flex:1 1 auto;height:100%;overflow:hidden;position:relative;
}
.ticker-track{
  display:inline-flex;align-items:center;height:100%;
  white-space:nowrap;
  animation:marquee 240s linear infinite;
  will-change:transform;
}
.ticker-paused .ticker-track{animation-play-state:paused}
.ticker-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:0 28px 0 0;font-size:13px;color:var(--text-2);font-weight:500;
}
.ticker-item::after{
  content:"•";color:var(--border);margin-left:18px;font-weight:900;
}
.ticker-item a{color:var(--text-2);text-decoration:none}
.ticker-item a:hover{color:var(--brand);text-decoration:underline}
.ticker-cat{
  display:inline-block;font-size:11px;font-weight:700;
  padding:2px 7px;border-radius:4px;
  background:rgba(67,56,202,.1);color:var(--brand);
}
.ticker-pause{
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  background:#fff;color:var(--brand);
  font-size:12px;border:1px solid var(--border);
  cursor:pointer;margin-right:10px;
}
.ticker-pause:hover{background:var(--brand);color:#fff}
@keyframes marquee{
  0%   {transform:translateX(0)}
  100% {transform:translateX(-50%)}
}

/* ============ breadcrumb ============ */
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--text-3);padding-top:18px;padding-bottom:6px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb span{color:var(--border)}

/* ============ sections ============ */
.section-title{font-size:24px;font-weight:800;margin:36px 0 18px;position:relative;padding-left:14px}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:var(--brand)}
.section-count{
  display:inline-block;margin-left:8px;font-size:13px;font-weight:600;
  color:var(--text-3);vertical-align:middle;
}
.block{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px 24px 24px;margin-bottom:28px;box-shadow:var(--shadow-sm)}

/* ============ filters ============ */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.chip{border:1px solid var(--border);background:var(--surface);color:var(--text-2);
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;transition:.18s}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ============ feed grid ============ */
.feed-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 18px 16px;
  display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-sm);transition:.2s;
  cursor:pointer;position:relative;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand)}
.card:hover .card-cta{opacity:1;transform:translateX(0)}
.card .badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:6px;
  background:rgba(67,56,202,.1);color:var(--brand);align-self:flex-start}
.badge.cat-company{background:rgba(249,115,22,.14);color:var(--accent)}
.badge.cat-report{background:rgba(16,185,129,.14);color:#059669}
.badge.cat-policy{background:rgba(220,38,38,.12);color:#dc2626}
.card h3{font-size:17px;margin:0;font-weight:700;line-height:1.4}
.card h3 a{color:var(--text)}
.card .summary{font-size:14px;color:var(--text-2);margin:0;flex:1}
.card .meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-3);gap:8px;margin-top:4px}
.card .meta .src{color:var(--text-2);font-weight:600}
.card .pdf{color:var(--accent);font-weight:700}
.card time{white-space:nowrap}
.card-cta{
  font-size:12px;color:var(--brand);font-weight:700;
  opacity:0;transform:translateX(-4px);transition:.2s;
}
.loading,.empty{color:var(--text-3);padding:30px 0;text-align:center;grid-column:1/-1}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{width:100%;text-align:left;background:var(--surface-alt);border:0;padding:14px 16px;font-size:15px;
  font-weight:700;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;gap:12px}
.faq-q .plus{color:var(--brand);font-weight:800}
.faq-a{padding:0 16px;max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--text-2);font-size:14px}
.faq-item.open .faq-a{padding:0 16px 16px;max-height:400px}

/* ============ glossary ============ */
.glossary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.term{background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px}
.term dt{font-weight:800;color:var(--brand);font-size:15px;margin-bottom:6px}
.term dd{margin:0;font-size:14px;color:var(--text-2)}

/* ============ pitfall ============ */
.pitfall-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.pitfall{background:#fff7ed;border:1px solid #fed7aa;border-radius:var(--radius-sm);padding:14px 16px}
.pitfall h3{font-size:15px;color:#c2410c;margin:0 0 6px}
.pitfall p{margin:0;font-size:14px;color:var(--text-2)}

/* ============ dashboard ============ */
.dash-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.stat{background:linear-gradient(135deg,#eef2ff,#faf5ff);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:16px;text-align:center}
.stat .num{font-size:28px;font-weight:800;color:var(--brand)}
.stat .lab{font-size:13px;color:var(--text-2);margin-top:4px}
.dash-note{font-size:13px;color:var(--text-3);margin-top:14px}

/* ============ article modal ============ */
.article-modal{
  border:0;padding:0;border-radius:var(--radius);
  max-width:680px;width:calc(100% - 32px);max-height:calc(100vh - 64px);
  background:var(--surface);color:var(--text);
  box-shadow:0 30px 80px rgba(15,23,42,.35);
}
.article-modal::backdrop{
  background:rgba(15,23,42,.55);backdrop-filter:blur(4px);
}
.article-modal-body{
  padding:30px 32px 26px;position:relative;overflow-y:auto;
  max-height:calc(100vh - 64px);
}
.article-modal-close{
  position:absolute;top:12px;right:14px;
  width:36px;height:36px;border-radius:50%;border:0;
  background:var(--surface-alt);color:var(--text-2);
  font-size:22px;cursor:pointer;line-height:1;
}
.article-modal-close:hover{background:var(--text-3);color:#fff}
.article-modal-tag{
  display:inline-block;font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:6px;
  background:rgba(67,56,202,.1);color:var(--brand);
  margin:0 0 14px;
}
.article-modal-tag.cat-company{background:rgba(249,115,22,.14);color:var(--accent)}
.article-modal-tag.cat-report{background:rgba(16,185,129,.14);color:#059669}
.article-modal-tag.cat-policy{background:rgba(220,38,38,.12);color:#dc2626}
.article-modal-title{
  font-size:24px;font-weight:800;margin:0 0 12px;line-height:1.35;
  padding-right:36px;
}
.article-modal-meta{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:18px;padding-bottom:14px;
  border-bottom:1px dashed var(--border);
}
.article-modal-meta .dot{color:var(--border)}
.article-modal-content{
  font-size:15px;color:var(--text-2);line-height:1.75;
}
.article-modal-content p{margin:0 0 12px}
.article-modal-tags{
  display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;
}
.article-modal-tags .tag{
  font-size:12px;font-weight:600;
  background:var(--surface-alt);color:var(--text-2);
  padding:3px 9px;border-radius:4px;
  border:1px solid var(--border);
}
.article-modal-actions{
  display:flex;gap:12px;margin-top:24px;
  padding-top:18px;border-top:1px solid var(--border);
  align-items:center;flex-wrap:wrap;
}
.article-modal-link{
  display:inline-flex;align-items:center;gap:4px;
  background:var(--brand);color:#fff;
  padding:8px 16px;border-radius:8px;
  font-size:13px;font-weight:700;text-decoration:none;
}
.article-modal-link:hover{background:var(--brand-dark);text-decoration:none;color:#fff}
.article-modal-link[aria-disabled="true"]{
  background:var(--surface-alt);color:var(--text-3);cursor:not-allowed;pointer-events:none;
}
.article-modal-back{
  background:transparent;border:1px solid var(--border);
  color:var(--text-2);padding:8px 16px;border-radius:8px;
  font-size:13px;cursor:pointer;font-weight:600;
}
.article-modal-back:hover{background:var(--surface-alt);color:var(--brand);border-color:var(--brand)}

/* ============ footer ============ */
.site-footer{background:var(--brand-dark);color:#e0e7ff;padding:30px 0;margin-top:20px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.foot-brand{font-size:18px;font-weight:800;margin:0;display:flex;align-items:center;gap:6px}
.foot-fire{animation:fire-flicker 1.2s ease-in-out infinite alternate}
.foot-sub{font-size:13px;opacity:.85;margin:4px 0 0}
.foot-copy{font-size:12px;opacity:.7;margin:0}

@media (max-width:640px){
  .hero h1{font-size:26px}
  .topnav{gap:12px;font-size:13px}
  .article-modal-body{padding:22px 20px 18px}
  .article-modal-title{font-size:20px}
  .ticker-label{display:none}
}