:root{--ky-green:#065f46;--ky-green2:#047857;--ky-gold:#d97706;--ky-gold2:#fbbf24;--ky-ink:#0f172a;--ky-muted:#475569;--ky-line:rgba(15,23,42,0.08);--ky-panel:#ecfdf5;--ky-page-max:min(100%,1420px);--ky-page-gutter:clamp(16px,2.8vw,32px);--ky-text:var(--ky-ink);--ky-accent:var(--ky-green2);--ky-border:var(--ky-line);--ky-surface:#ffffff;--ky-radius-lg:16px;--ky-shadow:0 12px 40px rgba(15,23,42,0.1);--ky-shadow-soft:0 4px 24px rgba(15,23,42,0.06)}.kaiyun-as-html body.layout-kaiyun{background:linear-gradient(180deg,#f8fafc 0%,#eef2ff 55%,#f1f5f9 100%);color:var(--ky-ink)}.ky-masthead{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--ky-line)}.ky-masthead__bar{max-width:var(--ky-page-max);margin:0 auto;padding:14px 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