:root{--blue:#2563eb;--ink:#172c45;--muted:#52657b;--line:#dce5f0;--bg:#f4f7fb;--radius:12px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}
*{box-sizing:border-box}body{margin:0;overflow-wrap:anywhere}a{color:#1d4ed8;text-underline-offset:4px}a:hover{color:#153890}a:focus-visible,summary:focus-visible{outline:3px solid #f59e0b;outline-offset:4px}img{max-width:100%;height:auto}h1,h2,h3{line-height:1.45;overflow-wrap:anywhere}h1{font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:-.025em;margin:12px 0 20px}h2{font-size:1.35rem;margin:32px 0 16px}h3{font-size:1.12rem}p{margin:0 0 18px}ul,ol{padding-left:24px}li{margin-bottom:9px}figure{margin:0}button,summary,a{touch-action:manipulation}html{scroll-padding-top:105px}.skip-link{position:fixed;left:16px;top:-90px;background:white;padding:12px 18px;z-index:300}.skip-link:focus{top:10px}
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}.site-nav{max-width:1240px;margin:auto;padding:0 24px;min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:750;text-decoration:none;color:var(--ink);white-space:nowrap}.logo img{object-fit:contain;flex:none}.logo span{font-size:12px;color:var(--muted);font-weight:400;border-left:1px solid var(--line);padding-left:12px}.desktop-nav{display:flex;gap:23px;align-items:center}.desktop-nav a{padding:25px 0;color:var(--muted);font-size:15px;text-decoration:none}.desktop-nav a[aria-current]{color:var(--blue);box-shadow:inset 0 -3px var(--blue);font-weight:700}.mobile-nav{display:none}.eyebrow{font-size:12px;letter-spacing:.08em;color:#1d4ed8;font-weight:700;margin:0 0 12px}.article-meta{font-size:13px;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line)}.panel,.reading-card,.consult-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}.panel{margin-bottom:24px}.panel h2{font-size:19px;margin:8px 0 15px}.plain-list{list-style:none;padding:0;margin:0}.plain-list li{padding:12px 0;border-bottom:1px solid var(--line)}.plain-list li:last-child{border:0}.plain-list a{text-decoration:none}.text-link{display:block;margin-top:18px}.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin:0 0 24px}.breadcrumbs a{text-decoration:none}.breadcrumbs>span:last-child{max-width:100%}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border:1px solid var(--blue);border-radius:7px;background:var(--blue);color:white;text-decoration:none;font-weight:650;font-size:15px}.button:hover{background:#1d4ed8;color:white}.button.secondary{background:white;color:#1d4ed8;border-color:#b7c9e8}.consult-box{background:#edf4ff;border-color:#cadcf7;margin-top:28px}.consult-box h2{margin:6px 0 12px}.consult-box p{max-width:640px}.site-footer{background:#172b45;color:#c6d3e2;padding:44px 24px;margin-top:64px;font-size:14px}.footer-inner{max-width:1180px;margin:auto}.footer-brand{font-size:22px;color:white;font-weight:700}.footer-nav{display:flex;flex-wrap:wrap;gap:12px 25px;margin:24px 0}.site-footer a{color:#dce8fa;text-decoration:none}.site-footer a:hover{text-decoration:underline}.footer-friends{font-size:12px;line-height:2.1}.footer-friends a{display:inline-block;margin-right:16px}.copyright{font-size:12px;color:#a5b8cf;margin-top:26px}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:600px;margin:28px 0}.contact-grid figure{padding:20px;background:var(--bg);border:1px solid var(--line);border-radius:10px;text-align:center}.contact-grid img{width:180px;height:180px;object-fit:contain;background:white}.contact-grid figcaption{font-size:13px;color:var(--muted);margin:12px 0}.contact-grid a{display:inline-block;padding:10px;min-height:44px}.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:25px}.service-grid .panel{margin:0;background:var(--bg)}.deliverables dt{font-weight:700;margin-top:22px}.deliverables dd{margin:8px 0 16px;color:var(--muted)}
@media(max-width:1020px){.desktop-nav{display:none}.mobile-nav{display:block;position:relative}.mobile-nav summary{display:flex;gap:8px;align-items:center;cursor:pointer;list-style:none;border:1px solid var(--line);border-radius:8px;padding:9px 14px;min-height:44px;font-size:14px;background:white}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-links{position:absolute;right:0;top:54px;width:240px;padding:10px;background:white;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 40px #172b4522}.mobile-links a{display:block;min-height:44px;padding:10px 14px;border-radius:6px;text-decoration:none;color:var(--ink)}.mobile-links a[aria-current]{background:#edf4ff;color:var(--blue)}}
@media(max-width:640px){.site-nav{min-height:68px;padding:0 16px;gap:10px}.logo{font-size:21px;gap:8px}.logo img{width:36px;height:36px}.logo span{display:none}.panel,.reading-card,.consult-box{padding:22px 18px}.site-footer{padding:34px 18px;margin-top:40px}.service-grid,.contact-grid{grid-template-columns:1fr}.button-row>*{flex:1 1 180px}.contact-grid{max-width:300px;margin-left:auto;margin-right:auto}.breadcrumbs{margin-bottom:18px}.mobile-links{width:min(240px,calc(100vw - 32px))}h2{font-size:1.22rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}