:root{color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#17243d;background:#f5f7fb;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid #225bea;outline-offset:5px}.shell{max-width:1240px;margin:0 auto;padding:0 44px}header{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dce2ed}.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:750;letter-spacing:1px}.mark{display:grid;place-items:center;width:36px;height:36px;background:#193b85;color:white;border-radius:10px;font-size:24px}.brand-sub{color:#65728a;font-size:16px;font-weight:500;letter-spacing:0}.badge{font-size:12px;letter-spacing:1px;color:#5c6a80;border:1px solid #d3dce9;padding:7px 10px;border-radius:6px}.intro{display:flex;justify-content:space-between;align-items:flex-end;padding:54px 0 42px;gap:20px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2.4px;color:#315997;margin:0 0 18px}h1{font-size:clamp(28px,4vw,42px);letter-spacing:-1px;line-height:1.3;margin:0 0 13px}.subtitle{font-size:16px;color:#65728a;line-height:1.7;margin:0}.domain{font-family:ui-monospace,SFMono-Regular,monospace;color:#6d7b93;font-size:14px;padding-bottom:5px}section+section{margin-bottom:30px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px}.section-heading h2{font-size:18px;margin:0;font-weight:650}.section-heading h2 span{font:12px ui-monospace,SFMono-Regular,monospace;color:#75829a;margin-right:10px}.section-heading>p{color:#6d7b93;font-size:13px;margin:0}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{display:flex;align-items:center;position:relative;gap:13px;background:white;border:1px solid #e1e6ef;border-radius:12px;padding:24px 16px;min-height:105px;transition:transform .18s,border-color .18s,box-shadow .18s}.card:hover{transform:translateY(-3px);border-color:#8ca9e1;box-shadow:0 9px 25px #193b850d}.card h3{font-size:16px;font-weight:650;margin:0 0 7px;line-height:1.3}.card p{font-size:12px;line-height:1.6;color:#69758b;margin:0}.icon{flex-shrink:0;display:grid;place-items:center;width:39px;height:39px;border-radius:10px;font-size:21px;font-weight:700}.blue{background:#eaf1ff;color:#235ec9}.black{background:#eef0f4;color:#26334b}.orange{background:#fff1e5;color:#a85415}.red{background:#ffecee;color:#b6374a}.arrow{position:absolute;right:10px;top:9px;font-size:15px;color:#8794aa}footer{display:flex;justify-content:space-between;gap:16px;padding:27px 0 32px;margin-top:39px;border-top:1px solid #dce2ed;font-size:12px;line-height:1.7;color:#738097}.footer-divider{padding:0 10px;color:#a7b1c2}@media(min-width:1400px){.intro{padding-top:70px}}@media(max-width:1050px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:22px}.shell{max-width:850px}.intro{padding-top:40px}.domain{display:none}}@media(max-width:540px){.shell{padding:0 20px}header{height:84px}.brand{font-size:19px;gap:9px}.brand-sub{font-size:14px}.badge{font-size:10px}.intro{padding:34px 0}.eyebrow{font-size:10px;letter-spacing:1.8px}.section-heading>p{display:none}.grid{grid-template-columns:1fr;gap:10px}.card{min-height:86px;padding:19px}.card p{font-size:13px}.card h3{font-size:16px}section+section{margin-bottom:27px}footer{flex-direction:column;gap:5px;margin-top:30px}.icon{width:40px;height:40px}}@media(prefers-reduced-motion:reduce){.card{transition:none}.card:hover{transform:none}}