
:root{--ink:#142033;--muted:#5b6676;--blue:#2357cf;--line:#dfe5ec;--paper:#f6f8fb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.85}a{color:var(--blue);text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid #2357cf;outline-offset:4px}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.top{background:#fff;border-bottom:1px solid var(--line)}.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:80px;padding-block:14px}.brand{font-size:20px;font-weight:800;color:var(--ink);text-decoration:none;white-space:nowrap}.brand span{margin-right:10px;background:var(--ink);color:#fff;padding:8px;border-radius:8px;font-size:13px}.top nav{display:flex;flex-wrap:wrap;gap:8px 22px}.top nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);font-size:14px}.crumb{font-size:14px;color:var(--muted);padding-top:24px}.hero{padding:36px 0 50px;border-bottom:1px solid var(--line)}.eyebrow{font-size:13px;letter-spacing:.1em;color:var(--muted)}h1{font-size:clamp(32px,4.7vw,56px);letter-spacing:-.04em;line-height:1.25;max-width:1000px;margin:18px 0 24px}h2{font-size:clamp(24px,3vw,34px);line-height:1.4;margin:0 0 24px}h3{font-size:20px;line-height:1.5;margin:0 0 14px}.lead{max-width:900px;font-size:19px;color:#3e4c61}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:10px;background:var(--ink);color:#fff;text-decoration:none;font-weight:650}.button.secondary{color:var(--ink);border:1px solid #aeb8c7;background:transparent}.section{padding:54px 0;border-bottom:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.card{background:#fff;border:1px solid var(--line);padding:28px;border-radius:16px}.card p:last-child{margin-bottom:0}p,li{font-size:17px;overflow-wrap:anywhere}ul,ol{padding-left:23px}li+li{margin-top:10px}.note{font-size:15px;color:var(--muted)}details{background:white;border-bottom:1px solid var(--line);padding:20px}summary{cursor:pointer;font-size:18px;font-weight:650}.contact{background:var(--ink);color:white;border-radius:18px;padding:34px}.contact a{color:white}.contact .button.secondary{color:#fff;border-color:#aeb8c7}.related{display:flex;flex-wrap:wrap;gap:12px 22px}.related a{min-height:44px;display:inline-flex;align-items:center}.footer{padding:30px 0 95px;color:var(--muted);font-size:14px}.footer p{font-size:14px}.mobile-contact{display:none}@media(max-width:700px){.top .wrap{align-items:flex-start;flex-direction:column;gap:4px}.top nav{gap:4px 18px}.wrap{width:calc(100% - 32px)}.hero{padding-top:22px}.lead{font-size:17px}.grid{grid-template-columns:1fr}.card{padding:22px}.section{padding:38px 0}.contact{padding:24px}p,li{font-size:16px}.mobile-contact{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;gap:12px;padding:10px 16px max(10px,env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);z-index:20}.mobile-contact a{flex:1;max-width:300px}.brand{font-size:18px}}
