:root{--ink:#14213d;--muted:#667085;--line:#e4e9f0;--brand:#1769e0;--brand2:#24b47e;--soft:#f4f7fb;--paper:#fff;--shadow:0 18px 50px rgba(21,43,77,.10);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#f7f9fc}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;line-height:1.75;background:linear-gradient(180deg,#f6f9ff 0,#fff 420px);color:var(--ink)}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.wrap{width:min(1160px,calc(100% - 36px));margin:auto}.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,233,240,.85)}.nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{font-weight:800;letter-spacing:.04em;display:flex;align-items:center;gap:12px}.mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 9px 22px rgba(23,105,224,.22)}.navlinks{display:flex;gap:22px;align-items:center}.navlinks a{color:#43516a;font-size:14px}.navlinks a:hover{color:var(--brand)}.cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:12px;background:var(--ink);color:#fff;font-weight:700}.cta.green{background:var(--brand2)}.hero{padding:92px 0 72px}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}h1{font-size:clamp(40px,6vw,74px);line-height:1.05;letter-spacing:-.045em;margin:18px 0 24px;max-width:900px}h2{font-size:clamp(28px,4vw,44px);line-height:1.18;letter-spacing:-.03em;margin:0 0 16px}h3{font-size:20px;line-height:1.35;margin:0 0 10px}.lead{font-size:19px;color:var(--muted);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}.visual{border-radius:30px;padding:26px;background:linear-gradient(135deg,#0c1932,#1769e0 60%,#24b47e);box-shadow:var(--shadow);min-height:420px;display:grid;place-items:center;overflow:hidden}.visual img{max-height:370px;object-fit:contain;filter:drop-shadow(0 18px 30px rgba(0,0,0,.25))}.section{padding:72px 0}.section.alt{background:var(--soft);border-block:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}.section-head p{max-width:610px;color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid.two{grid-template-columns:repeat(2,1fr)}.card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 8px 30px rgba(23,45,79,.05)}.card p{color:var(--muted);margin-bottom:0}.pill{display:inline-flex;padding:7px 10px;border-radius:999px;background:#e9f2ff;color:#1558b0;font-size:12px;font-weight:800}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}.stat{padding:18px;border-radius:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff}.stat strong{display:block;font-size:25px}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:25px}.feature{padding:16px 18px;border-radius:14px;background:#fff;border:1px solid var(--line)}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:34px;align-items:start}.article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(22px,5vw,54px);box-shadow:var(--shadow)}.article h1{font-size:clamp(32px,5vw,54px)}.article h2{font-size:28px;margin-top:38px}.article h3{margin-top:28px}.article p,.article li{color:#344054}.article a{color:var(--brand);text-decoration:underline}.article pre{padding:18px;background:#101828;color:#e6edf7;border-radius:14px;overflow:auto}.article table{width:100%;border-collapse:collapse}.article th,.article td{padding:12px;border:1px solid var(--line);text-align:left}.side{position:sticky;top:92px}.side a{display:block;padding:9px 0;color:#526175;border-bottom:1px solid var(--line)}.list{display:grid;gap:14px}.list-card{display:grid;grid-template-columns:1fr auto;gap:14px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.list-card p{margin:5px 0 0;color:var(--muted)}.meta{font-size:13px;color:#7b8798}.search{width:100%;padding:15px 18px;border:1px solid var(--line);border-radius:14px;font:inherit;margin:16px 0 28px}.footer{padding:34px 0;border-top:1px solid var(--line);color:#667085;font-size:14px}.notice{padding:15px 18px;border-radius:14px;background:#fff7e8;border:1px solid #fedf9e;color:#7a4a00}.breadcrumbs{font-size:13px;color:#667085;margin:22px 0}.breadcrumbs a{color:var(--brand)}
@media(max-width:850px){.navlinks{display:none}.hero{padding-top:56px}.hero-grid,.article-shell{grid-template-columns:1fr}.visual{min-height:300px}.grid,.grid.two,.stats{grid-template-columns:1fr 1fr}.side{position:static}.feature-list{grid-template-columns:1fr}}
@media(max-width:560px){.grid,.grid.two,.stats{grid-template-columns:1fr}h1{font-size:42px}.section{padding:54px 0}.list-card{grid-template-columns:1fr}.wrap{width:min(100% - 24px,1160px)}}

.topbar{background:rgba(238,247,255,.96);border-bottom-color:#d7e9fb}.brand-logo-panda{display:block;width:60px;height:60px;object-fit:contain;flex:0 0 auto;transform:translateY(-2px)}
.footer{padding:56px 18px 0;border-top:1px solid var(--line);background:#fff;color:#475467;text-align:center}.footer .wrap{width:min(1160px,100%)}.footer-links{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:0 0 4px}.footer-links a{color:#344054}.footer-links a:hover{color:var(--brand);text-decoration:underline}.footer p{margin:4px 0}.footer-logo{display:block;width:100px;height:100px;object-fit:contain;margin:0 auto;padding:28px 0;box-sizing:content-box;transform:translateY(-1px)}
.article-cta{padding:20px;border-radius:16px;background:#eff6ff;border:1px solid #bfd7ff;margin:24px 0}.article-cta p{margin:0 0 12px}.article-cta a{display:inline-flex;margin:4px 8px 4px 0;padding:9px 13px;border-radius:10px;background:#1769e0;color:#fff!important;text-decoration:none!important;font-weight:800}.article-richtext .article-toc{margin:18px 0 30px;padding:20px 24px;border:1px solid var(--line);border-radius:16px;background:var(--soft)}.article-richtext .article-toc ol{margin:10px 0 0;padding-left:24px}.article-richtext .article-toc li{margin:5px 0}.article-richtext .article-toc a{text-decoration:none}.article-richtext h2{scroll-margin-top:92px}.article-richtext p{white-space:normal}
.catalog-summary{margin:0;color:var(--muted)}.article-search-label{display:block}.article-search-status{min-height:26px;margin:-16px 0 24px;color:var(--muted);font-size:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.pagination{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;margin-top:34px}.pagination a,.pagination span{display:inline-flex;min-width:42px;height:42px;padding:0 12px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:11px;background:#fff;color:#344054;font-weight:700}.pagination a:hover{border-color:var(--brand);color:var(--brand)}.pagination .page-current{border-color:var(--brand);background:var(--brand);color:#fff}.pagination .page-disabled{opacity:.45}
@media(max-width:850px){.brand-logo-panda{width:50px;height:50px}.footer{padding-top:44px}.footer-logo{width:88px;height:88px;padding:22px 0}}