:root{--color-canvas:#edf3f8;--color-paper:#ffffff;--color-surface:#f7fafc;--color-surface-strong:#eaf2ff;--color-ink:#0b1220;--color-muted:#5d6b82;--color-line:#d8e2ee;--color-line-strong:#b9c8da;--color-accent:#2563eb;--color-accent-strong:#1d4ed8;--color-accent-soft:#dbeafe;--color-warning:#f59e0b;--color-warning-soft:#fff3d6;--shadow-card:0 18px 48px rgb(15 23 42/8%);--shadow-soft:0 10px 30px rgb(15 23 42/6%);--radius-lg:28px;--radius-md:18px;--radius-sm:12px;--font-display:Arial,"PingFang SC","Microsoft YaHei",sans-serif;--font-body:Arial,"PingFang SC","Microsoft YaHei",sans-serif;--font-mono:"JetBrains Mono","Fira Code","SFMono-Regular",Consolas,"Liberation Mono",monospace}*{box-sizing:border-box}html{background:var(--color-canvas);color:var(--color-ink);max-width:100%;overflow-x:clip;scroll-padding-top:9rem;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media (max-width:640px){html{scroll-padding-top:11rem}}body{min-height:100vh;margin:0;background:radial-gradient(circle at 12% 0,rgb(37 99 235/14%),transparent 28rem),radial-gradient(circle at 85% 8%,rgb(245 158 11/14%),transparent 22rem),linear-gradient(180deg,#f8fbff 0,var(--color-canvas) 42%,#f6f8fb 100%);font-family:var(--font-body);line-height:1.7;max-width:100%;overflow-x:clip}a{color:var(--color-accent);overflow-wrap:anywhere;text-underline-offset:.2em}a:focus-visible,button:focus-visible{outline:3px solid var(--color-accent);outline-offset:3px}.skip-link{position:fixed;top:.5rem;left:.5rem;z-index:100;padding:.6rem .9rem;background:var(--color-ink);color:var(--color-paper);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}::selection{background:var(--color-accent-soft)}.layout_header__mmmNG{position:sticky;top:0;z-index:20;border-bottom:1px solid rgb(216 226 238/72%);background:rgb(248 251 255/84%);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.layout_headerInner__poO1Y{width:min(1180px,calc(100% - 2rem));min-height:72px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:2rem}.layout_brand__OyDiv{display:inline-flex;align-items:center;gap:.75rem;color:var(--color-ink);text-decoration:none}.layout_brandMark__h58XA{display:grid;width:2.65rem;height:2.65rem;place-items:center;border:1px solid rgb(37 99 235/35%);border-radius:14px;background:linear-gradient(135deg,var(--color-ink),#173b8f 58%,var(--color-accent));box-shadow:0 10px 28px rgb(37 99 235/18%);color:white;font-family:var(--font-mono);font-size:.875rem;font-weight:700;letter-spacing:.08em}.layout_brand__OyDiv small,.layout_brand__OyDiv strong{display:block}.layout_brand__OyDiv strong{font-size:1rem;letter-spacing:-.02em}.layout_brand__OyDiv small{margin-top:.1rem;color:var(--color-muted);font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.11em;text-transform:uppercase}.layout_navList__LnhT9{display:flex;margin:0;padding:0;gap:1.5rem;list-style:none}.layout_navList__LnhT9 a{color:var(--color-muted);border:1px solid transparent;border-radius:999px;padding:.45rem .7rem;font-size:.88rem;text-decoration:none}.layout_navList__LnhT9 a:hover{border-color:var(--color-line);background:var(--color-paper);color:var(--color-accent)}.layout_footer__DcfK2{width:min(1180px,calc(100% - 2rem));margin:5rem auto 0;padding:1.5rem 0 2.5rem;border-top:1px solid var(--color-line);color:var(--color-muted);display:flex;justify-content:space-between;gap:1rem;font-size:.875rem}.layout_footer__DcfK2 p{margin:0}.layout_footerLink__yawxI{color:var(--color-muted);font-family:var(--font-mono);font-size:.8125rem;text-decoration-color:var(--color-line-strong)}.layout_footerLink__yawxI:hover{color:var(--color-accent);text-decoration-color:currentColor}@media (max-width:640px){.layout_headerInner__poO1Y{min-height:auto;padding:1rem 0;align-items:flex-start;flex-direction:column;gap:1rem}.layout_navList__LnhT9{gap:1rem}.layout_footer__DcfK2{flex-direction:column}}