:root{--bg:#f6f8fb;--surface:#fff;--ink:#0f1e33;--ink-soft:#2c3e58;--muted:#55677f;--faint:#8797ab;--accent:#1d5bb3;--accent-strong:#13408a;--accent-soft:#e8f0fb;--border:#e1e8f2;--border-strong:#c4d2e5;--footer-bg:#0e1c30;--footer-ink:#eef3fa;--font-display:"Fraunces", Georgia, "Times New Roman", serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--container:1160px;--container-narrow:760px;--gutter:clamp(1.25rem, 4vw, 2.5rem);--radius:12px;--radius-sm:8px;--header-h:68px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-size:16.5px;line-height:1.65}img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none}ul,ol{list-style:none}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.01em;font-weight:600;line-height:1.2}h1{font-size:clamp(2rem,4.5vw,3rem)}h2{font-size:clamp(1.5rem,3vw,2rem)}h3{font-size:1.25rem}.container{width:min(var(--container), 100% - (var(--gutter) * 2));margin-inline:auto}.container-narrow{width:min(var(--container-narrow), 100% - (var(--gutter) * 2));margin-inline:auto}.section{padding-block:clamp(3rem,7vw,5.5rem)}.section-head{justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:2.25rem;display:flex}.section-head .eyebrow{margin-bottom:.5rem}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-size:.78rem;font-weight:600}.btn{border-radius:999px;align-items:center;gap:.5rem;padding:.72rem 1.4rem;font-size:.95rem;font-weight:600;transition:background-color .2s,color .2s,border-color .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-strong)}.btn-outline{border:1px solid var(--border-strong);color:var(--ink-soft)}.btn-outline:hover{border-color:var(--accent);color:var(--accent-strong)}.category-tag{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong);background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 22%, transparent);border-radius:999px;align-items:center;padding:.2rem .7rem;font-size:.72rem;font-weight:650;display:inline-flex}.post-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.75rem;display:grid}[data-reveal]{opacity:0;transition:opacity .55s,transform .55s;transform:translateY(14px)}[data-reveal].is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transition:none;transform:none}}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}@media (width<=640px){body{font-size:16px}h1{font-size:clamp(1.8rem,7vw,2.4rem)}h2{font-size:clamp(1.35rem,5vw,1.7rem)}.section{padding-block:2.75rem}.section-head{flex-direction:column;align-items:flex-start;gap:.6rem;margin-bottom:1.75rem}.btn{padding:.68rem 1.15rem}}.prose{color:var(--ink-soft);font-size:1.075rem;line-height:1.8}.prose>*+*{margin-top:1.35em}.prose h2,.prose h3{color:var(--ink);scroll-margin-top:calc(var(--header-h) + 16px);margin-top:2.2em}.prose h2{border-bottom:1px solid var(--border);padding-bottom:.4em}.prose a{color:var(--accent-strong);text-underline-offset:3px;text-decoration:underline 1px}.prose a:hover{color:var(--accent)}.prose strong{color:var(--ink);font-weight:650}.prose ul{padding-left:1.4em;list-style:outside}.prose ol{padding-left:1.4em;list-style:decimal}.prose li{margin-top:.45em}.prose blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-soft);padding:.9em 1.2em;font-style:italic}.prose :not(pre)>code{font-family:var(--font-mono);background:var(--accent-soft);color:var(--accent-strong);border-radius:5px;padding:.15em .4em;font-size:.85em}.prose pre{color:#f4efe8;border-radius:var(--radius);background:#1f1b17;padding:1.1em 1.3em;font-size:.9rem;line-height:1.6;overflow-x:auto}.prose img{border-radius:var(--radius);margin-block:1.8em}.prose hr{border:none;border-top:1px solid var(--border);margin-block:2.5em}.prose table{border-collapse:collapse;width:100%;font-size:.95rem}.prose th,.prose td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:.6em .8em}.prose th{background:var(--accent-soft);color:var(--ink);font-weight:650}.prose .callout{background:var(--accent-soft);border-radius:var(--radius);border:1px solid var(--border);padding:1em 1.2em}.prose .callout strong{margin-bottom:.2em;display:block}.site-header[data-astro-cid-isef26zo]{z-index:50;background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0}.header-inner[data-astro-cid-isef26zo]{height:var(--header-h);align-items:center;gap:1.5rem;display:flex}.brand[data-astro-cid-isef26zo]{align-items:center;gap:.65rem;margin-right:auto;display:flex}.brand[data-astro-cid-isef26zo] img[data-astro-cid-isef26zo]{border-radius:8px}.brand-text[data-astro-cid-isef26zo]{flex-direction:column;line-height:1.1;display:flex}.brand-name[data-astro-cid-isef26zo]{font-family:var(--font-display);letter-spacing:.01em;font-size:1.15rem;font-weight:700}.brand-sub[data-astro-cid-isef26zo]{letter-spacing:.22em;text-transform:uppercase;color:var(--accent);font-size:.7rem;font-weight:600}.nav-list[data-astro-cid-isef26zo]{align-items:center;gap:.35rem;display:flex}.nav-link[data-astro-cid-isef26zo]{color:var(--ink-soft);border-radius:8px;align-items:center;gap:.35rem;padding:.5rem .85rem;font-size:.95rem;font-weight:550;transition:color .15s,background-color .15s;display:inline-flex}.nav-link[data-astro-cid-isef26zo]:hover,.nav-link[data-astro-cid-isef26zo][aria-current=page]{color:var(--accent-strong);background:var(--accent-soft)}.chev[data-astro-cid-isef26zo]{transition:transform .2s}.nav-dropdown[data-astro-cid-isef26zo]{position:relative}.dropdown[data-astro-cid-isef26zo]{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);opacity:0;visibility:hidden;width:320px;padding:.5rem;transition:opacity .18s,transform .18s,visibility .18s;position:absolute;top:calc(100% + .75rem);left:50%;transform:translateY(8px);box-shadow:0 18px 40px -18px #211d1947}.nav-dropdown[data-astro-cid-isef26zo]:hover .dropdown[data-astro-cid-isef26zo],.nav-dropdown[data-astro-cid-isef26zo]:focus-within .dropdown[data-astro-cid-isef26zo]{opacity:1;visibility:visible;transform:translateY(0)}.dropdown[data-astro-cid-isef26zo] a[data-astro-cid-isef26zo]{border-radius:var(--radius-sm);padding:.6rem .75rem;display:block}.dropdown[data-astro-cid-isef26zo] a[data-astro-cid-isef26zo]:hover{background:var(--accent-soft)}.dropdown-label[data-astro-cid-isef26zo]{color:var(--ink);font-size:.95rem;font-weight:600;display:block}.dropdown-desc[data-astro-cid-isef26zo]{color:var(--muted);margin-top:.1rem;font-size:.8rem;display:block}.header-actions[data-astro-cid-isef26zo]{align-items:center;gap:.5rem;display:flex}.search-link[data-astro-cid-isef26zo]{width:40px;height:40px;color:var(--ink-soft);border-radius:50%;justify-content:center;align-items:center;transition:background-color .15s,color .15s;display:inline-flex}.search-link[data-astro-cid-isef26zo]:hover{background:var(--accent-soft);color:var(--accent-strong)}.menu-toggle[data-astro-cid-isef26zo]{border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;display:none}.menu-toggle[data-astro-cid-isef26zo] span[data-astro-cid-isef26zo]{background:var(--ink);border-radius:2px;width:20px;height:2px;transition:transform .2s,opacity .2s;display:block}.menu-toggle[data-astro-cid-isef26zo][aria-expanded=true] span[data-astro-cid-isef26zo]:first-child{transform:translateY(3.5px)rotate(45deg)}.menu-toggle[data-astro-cid-isef26zo][aria-expanded=true] span[data-astro-cid-isef26zo]:nth-child(2){transform:translateY(-3.5px)rotate(-45deg)}.skip-link[data-astro-cid-isef26zo]{display:none}@media (width<=860px){.menu-toggle[data-astro-cid-isef26zo]{display:flex}.main-nav[data-astro-cid-isef26zo]{inset:var(--header-h) 0 auto 0;background:var(--bg);border-bottom:1px solid var(--border);padding:.5rem var(--gutter) 1.25rem;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;position:fixed;transform:translateY(-12px);box-shadow:0 24px 40px -24px #211d1940}.main-nav[data-astro-cid-isef26zo].open{opacity:1;visibility:visible;transform:none}.nav-list[data-astro-cid-isef26zo]{flex-direction:column;align-items:stretch;gap:.25rem}.nav-link[data-astro-cid-isef26zo]{justify-content:space-between;width:100%;padding:.85rem .75rem;font-size:1.05rem}.dropdown[data-astro-cid-isef26zo]{opacity:1;visibility:visible;width:auto;box-shadow:none;border:none;padding:0 0 0 .5rem;display:none;position:static;transform:none}.nav-dropdown[data-astro-cid-isef26zo].open .dropdown[data-astro-cid-isef26zo]{display:block}.dropdown-desc[data-astro-cid-isef26zo]{display:none}}@media (width<=480px){.header-inner[data-astro-cid-isef26zo]{gap:.75rem}.brand[data-astro-cid-isef26zo]{gap:.5rem}.brand[data-astro-cid-isef26zo] img[data-astro-cid-isef26zo]{width:34px;height:34px}.brand-sub[data-astro-cid-isef26zo]{display:none}.brand-name[data-astro-cid-isef26zo]{font-size:1.02rem}.search-link[data-astro-cid-isef26zo]{width:36px;height:36px}}.social-links[data-astro-cid-dm7fberu]{flex-wrap:wrap;gap:.65rem;display:flex}.social-link[data-astro-cid-dm7fberu]{border:1.5px solid;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;text-decoration:none;transition:transform .2s,background-color .2s,border-color .2s;display:inline-flex;position:relative;overflow:hidden}.social-link[data-astro-cid-dm7fberu]:hover{transform:translateY(-2px)}.social-link[data-astro-cid-dm7fberu] img[data-astro-cid-dm7fberu]{object-fit:fill;width:100%;height:100%;display:block}.social-md[data-astro-cid-dm7fberu] .social-link[data-astro-cid-dm7fberu]{width:40px;height:40px}.social-sm[data-astro-cid-dm7fberu] .social-link[data-astro-cid-dm7fberu]{width:34px;height:34px}.social-light[data-astro-cid-dm7fberu] .social-link[data-astro-cid-dm7fberu]{border-color:var(--border-strong);background:#fff}.social-light[data-astro-cid-dm7fberu] .social-link[data-astro-cid-dm7fberu]:hover{border-color:var(--accent);background:var(--accent-soft)}.social-dark[data-astro-cid-dm7fberu] .social-link[data-astro-cid-dm7fberu]{background:#ffffff0f;border-color:#ffffff1f}.social-dark[data-astro-cid-dm7fberu] .social-link[data-astro-cid-dm7fberu]:hover{background:#ffffff24}.site-footer[data-astro-cid-oenwriqq]{background:var(--footer-bg);width:100%;color:var(--footer-ink);margin-top:clamp(3rem,7vw,5.5rem);position:relative}.footer-main[data-astro-cid-oenwriqq]{max-width:1200px;padding:3rem var(--gutter) 2rem;margin:0 auto}.footer-grid[data-astro-cid-oenwriqq]{grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:2.5rem;display:grid}.footer-col[data-astro-cid-oenwriqq]{min-width:0}.footer-logo-link[data-astro-cid-oenwriqq]{align-items:center;gap:.5rem;margin-bottom:.7rem;display:flex}.footer-logo[data-astro-cid-oenwriqq]{object-fit:contain;border-radius:6px;width:28px;height:28px}.footer-logo-text[data-astro-cid-oenwriqq]{color:var(--footer-ink);letter-spacing:.02em;font-size:.95rem;font-weight:700;font-family:var(--font-display)}.footer-desc[data-astro-cid-oenwriqq]{color:color-mix(in srgb, var(--footer-ink) 62%, transparent);max-width:42ch;margin:0 0 .75rem;font-size:.85rem;line-height:1.65}.footer-address[data-astro-cid-oenwriqq]{color:color-mix(in srgb, var(--footer-ink) 62%, transparent);align-items:flex-start;gap:.4rem;margin:0;font-size:.82rem;line-height:1.55;display:flex}.footer-social[data-astro-cid-oenwriqq]{margin-top:1rem}.footer-heading[data-astro-cid-oenwriqq]{color:#7fa8de;letter-spacing:.12em;text-transform:uppercase;margin:0 0 .9rem;font-size:.8rem;font-weight:700}.footer-links[data-astro-cid-oenwriqq]{flex-direction:column;gap:.55rem;margin:0;padding:0;list-style:none;display:flex}.footer-link[data-astro-cid-oenwriqq]{color:color-mix(in srgb, var(--footer-ink) 72%, transparent);align-items:center;gap:.35rem;font-size:.9rem;line-height:1.5;text-decoration:none;transition:color .2s;display:inline-flex}.footer-link[data-astro-cid-oenwriqq]:hover{color:#fff}.footer-ext-icon[data-astro-cid-oenwriqq]{color:#7fa8de;width:12px;height:12px}.footer-tags[data-astro-cid-oenwriqq]{flex-wrap:wrap;gap:.4rem;margin:1rem 0 0;padding:0;list-style:none;display:flex}.footer-tag[data-astro-cid-oenwriqq]{border:1px solid color-mix(in srgb, var(--footer-ink) 20%, transparent);border-radius:999px;padding:.12rem .6rem;font-size:.78rem}.footer-contact-item[data-astro-cid-oenwriqq]{color:color-mix(in srgb, var(--footer-ink) 72%, transparent);word-break:break-word;align-items:center;gap:.45rem;font-size:.82rem;line-height:1.5;display:flex}.footer-icon[data-astro-cid-oenwriqq]{color:#7fa8de;flex-shrink:0;width:14px;height:14px}.footer-moq[data-astro-cid-oenwriqq]{color:#8fb4e6;margin:1.1rem 0 0;font-size:.8rem;font-weight:550;line-height:1.6}.footer-site-actions[data-astro-cid-oenwriqq]{flex-direction:column;gap:.6rem;margin-top:1.25rem;display:flex}.footer-site-btn[data-astro-cid-oenwriqq],.footer-alibaba-btn[data-astro-cid-oenwriqq]{border-radius:999px;justify-content:center;align-items:center;gap:.5rem;padding:.7rem 1.1rem;font-size:.88rem;font-weight:600;text-decoration:none;transition:background-color .2s,transform .2s;display:inline-flex}.footer-site-btn[data-astro-cid-oenwriqq] svg[data-astro-cid-oenwriqq],.footer-alibaba-btn[data-astro-cid-oenwriqq] svg[data-astro-cid-oenwriqq]{width:14px;height:14px}.footer-site-btn[data-astro-cid-oenwriqq]{color:#fff;background:#2e6fd4}.footer-site-btn[data-astro-cid-oenwriqq]:hover{background:#1d5bb3;transform:translateY(-2px)}.footer-alibaba-btn[data-astro-cid-oenwriqq]{color:#e7c65c;border:1px solid #c9a227b3}.footer-alibaba-btn[data-astro-cid-oenwriqq]:hover{background:#c9a22726;transform:translateY(-2px)}.footer-bottom[data-astro-cid-oenwriqq]{border-top:1px solid color-mix(in srgb, var(--footer-ink) 12%, transparent);max-width:1200px;padding:1rem var(--gutter);text-align:center;margin:0 auto}.footer-copyright[data-astro-cid-oenwriqq]{color:color-mix(in srgb, var(--footer-ink) 48%, transparent);margin:0;font-size:.8rem}.footer-site-link[data-astro-cid-oenwriqq]{color:#7fa8de;transition:color .2s}.footer-site-link[data-astro-cid-oenwriqq]:hover{color:#fff}@media (width<=900px){.footer-grid[data-astro-cid-oenwriqq]{grid-template-columns:1fr 1fr;gap:2rem}.footer-brand[data-astro-cid-oenwriqq]{grid-column:1/-1}.footer-desc[data-astro-cid-oenwriqq]{max-width:500px}}@media (width<=560px){.footer-main[data-astro-cid-oenwriqq]{padding:2.25rem 1.25rem 1.5rem}.footer-grid[data-astro-cid-oenwriqq]{grid-template-columns:1fr;gap:1.75rem}.footer-brand[data-astro-cid-oenwriqq]{grid-column:auto}}