:root {
  --bg: #05070b;
  --panel: #0c1118;
  --line: rgba(148, 183, 197, .16);
  --ink: #f5f7f6;
  --muted: #9aa7ad;
  --dim: #66737b;
  --cyan: #6be5ee;
  --warm: #f4bd68;
  --ease: cubic-bezier(.22, .61, .36, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--muted); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.8; }
a { color: inherit; text-decoration: none; }
.insights-topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 28px; width: min(100% - 48px, 1180px); margin: 0 auto; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(5,7,11,.88); backdrop-filter: blur(18px); }
.insights-brand { color: var(--ink); font-size: 18px; font-weight: 700; letter-spacing: .1em; white-space: nowrap; }
.insights-brand span { color: var(--cyan); font-weight: 400; }
.insights-brand small { margin-left: 8px; color: var(--dim); font-size: 10px; font-weight: 500; letter-spacing: .2em; }
.insights-topbar nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 13px; }
.insights-topbar nav a:hover { color: var(--ink); }
.insights-top-cta { padding: 7px 13px; border: 1px solid rgba(107,229,238,.35); color: var(--cyan) !important; }
.insights-wrap { width: min(100% - 48px, 1120px); margin: 0 auto; }
.insights-hero { padding: 100px 0 88px; background: radial-gradient(circle at 80% 20%, rgba(85, 190, 213, .16), transparent 35%), linear-gradient(140deg, #071017, #05070b 58%); border-bottom: 1px solid var(--line); }
.insights-hero h1 { margin: 16px 0 22px; color: var(--ink); font-size: clamp(44px, 7vw, 82px); line-height: 1.06; letter-spacing: -.06em; }
.insights-hero h1 em { color: var(--cyan); font-size: .46em; font-style: normal; font-weight: 500; letter-spacing: -.02em; }
.insights-hero > .insights-wrap > p:not(.article-kicker) { max-width: 690px; margin: 0; font-size: 17px; color: #aebbc0; }
.article-kicker, .insights-hero-meta { color: var(--warm); font-family: "DM Mono", ui-monospace, monospace; font-size: 10px; letter-spacing: .14em; }
.insights-hero-meta { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 34px; color: var(--dim); }
.insights-hero-meta b { margin-right: 6px; color: var(--cyan); font-weight: 500; }
.insights-list-section { padding: 78px 0 100px; }
.insights-list-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.insights-list-head h2 { margin: 10px 0 0; color: var(--ink); font-size: clamp(24px, 3vw, 34px); letter-spacing: -.04em; }
.insights-outline-cta { padding: 10px 15px; border: 1px solid rgba(244,189,104,.38); color: var(--warm); font-size: 12px; white-space: nowrap; }
.insights-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.insight-card { min-height: 250px; display: flex; flex-direction: column; padding: 24px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(15,24,31,.88), rgba(8,12,18,.9)); transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease); }
.insight-card:hover { transform: translateY(-4px); border-color: rgba(107,229,238,.45); box-shadow: 0 24px 60px rgba(0,0,0,.24); }
.insight-card-kicker { margin: 0 0 18px; color: var(--warm); font-family: "DM Mono", ui-monospace, monospace; font-size: 9px; letter-spacing: .1em; }
.insight-card h2 { margin: 0 0 12px; color: var(--ink); font-size: 22px; line-height: 1.4; letter-spacing: -.03em; }
.insight-card h2 a:hover { color: var(--cyan); }
.insight-card p:not(.insight-card-kicker) { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.insight-read { margin-top: auto; padding-top: 22px; color: var(--cyan); font-family: "DM Mono", ui-monospace, monospace; font-size: 10px; letter-spacing: .1em; }
.insight-read span { margin-left: 6px; font-size: 14px; }
.article-page { min-height: calc(100vh - 76px); padding: 52px 0 90px; }
.article-crumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; color: var(--dim); font-size: 12px; }
.article-crumb a:hover { color: var(--cyan); }
.article-card { padding: clamp(28px, 6vw, 66px); border: 1px solid var(--line); background: linear-gradient(145deg, rgba(15,23,30,.9), rgba(8,11,17,.95)); }
.article-card h1 { max-width: 850px; margin: 14px 0 22px; color: var(--ink); font-size: clamp(32px, 5vw, 58px); line-height: 1.2; letter-spacing: -.05em; }
.article-summary { max-width: 760px; margin: 0 0 42px; color: #bac6ca; font-size: 18px; line-height: 1.8; }
.article-body { max-width: 760px; color: #b0bcc0; font-size: 16px; }
.article-body > p:first-child { color: var(--ink); font-size: 18px; }
.article-section { margin-top: 34px; }
.article-section h2 { margin: 0 0 9px; color: var(--ink); font-size: 23px; }
.article-section p { margin: 0; }
.article-callout { margin-top: 44px; padding: 24px; border-left: 2px solid var(--warm); background: rgba(244,189,104,.07); }
.article-callout strong { color: var(--warm); }
.article-callout p { margin: 8px 0 12px; }
.article-callout a { color: var(--cyan); font-size: 13px; }
.article-footer { display: flex; justify-content: space-between; gap: 16px; margin-top: 52px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--dim); font-family: "DM Mono", ui-monospace, monospace; font-size: 10px; letter-spacing: .06em; }
.insights-footer { display: flex; justify-content: space-between; gap: 18px; width: min(100% - 48px, 1120px); margin: 0 auto; padding: 22px 0 32px; border-top: 1px solid rgba(255,255,255,.08); color: var(--dim); font-family: "DM Mono", ui-monospace, monospace; font-size: 9px; letter-spacing: .08em; }
.insights-footer a { color: var(--cyan); }
@media (max-width: 720px) {
  .insights-topbar, .insights-wrap, .insights-footer { width: min(100% - 32px, 640px); }
  .insights-topbar { align-items: flex-start; padding: 16px 0; }
  .insights-topbar nav { gap: 10px; font-size: 11px; }
  .insights-topbar nav a:nth-child(2) { display: none; }
  .insights-hero { padding: 70px 0 62px; }
  .insights-hero > .insights-wrap > p:not(.article-kicker) { font-size: 15px; }
  .insights-list-head { align-items: flex-start; flex-direction: column; }
  .insights-grid { grid-template-columns: 1fr; }
  .article-footer, .insights-footer { align-items: flex-start; flex-direction: column; }
}