:root{color-scheme:light;--blue:#1368ce;--deep:#082d68;--ink:#13223a;--muted:#60728b;--line:#dbe6f3;--soft:#f3f8ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}.shell{width:min(1120px,calc(100% - 40px));margin:0 auto}.hero{min-height:650px;color:#fff;background:radial-gradient(circle at 82% 18%,#3998ff 0,transparent 32%),linear-gradient(135deg,#061d47 0%,#0b4ca2 48%,#0c70d9 100%);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-80px;bottom:-260px;box-shadow:0 0 0 70px rgba(255,255,255,.035),0 0 0 140px rgba(255,255,255,.025)}.nav{height:86px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:2}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:750;letter-spacing:.03em}.brand img{width:42px;height:42px;border-radius:11px;box-shadow:0 7px 20px rgba(0,0,0,.2)}.navLinks{display:flex;gap:30px;color:rgba(255,255,255,.9);font-size:15px}.navLinks a:hover,.navLinks a:focus-visible{color:#fff;text-decoration:underline;text-underline-offset:5px}.heroBody{padding:110px 0 130px;position:relative;z-index:1}.eyebrow{display:inline-flex;padding:7px 13px;border:1px solid rgba(255,255,255,.28);border-radius:100px;font-size:13px;letter-spacing:.12em;color:#dbeeff;background:rgba(255,255,255,.08)}.eyebrow.dark{color:#8fc8ff;border-color:rgba(143,200,255,.35)}h1{max-width:850px;margin:24px 0;font-size:clamp(42px,6vw,72px);line-height:1.14;letter-spacing:-.035em}.lead{max-width:710px;color:#d3e7ff;font-size:19px;line-height:1.9}.actions{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}.primaryButton,.secondaryButton,.lightButton{display:inline-flex;justify-content:center;align-items:center;min-height:50px;padding:0 24px;border-radius:14px;font-weight:700;transition:.2s ease}.primaryButton{color:#0d55ac;background:#fff}.secondaryButton{color:#fff;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.08)}.primaryButton:hover,.secondaryButton:hover,.lightButton:hover{transform:translateY(-2px)}.section{padding:96px 0}.sectionHeading{max-width:680px}.sectionHeading>span{color:var(--blue);font-size:13px;font-weight:750;letter-spacing:.14em}h2{margin:10px 0 14px;font-size:clamp(30px,4vw,44px);line-height:1.25;letter-spacing:-.02em}.sectionHeading p,.featureCard p,.docBody p,.docBody li{color:var(--muted)}.featureGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}.featureCard{padding:30px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,#fff,#f8fbff);box-shadow:0 18px 50px rgba(37,91,157,.08)}.featureNumber{color:#7baee8;font:700 14px/1 ui-monospace,monospace}.featureCard h3{margin:25px 0 8px;font-size:22px}.contactCard{display:flex;justify-content:space-between;align-items:end;gap:35px;padding:48px;border-radius:28px;color:#fff;background:linear-gradient(135deg,#062552,#0d66c8)}.contactCard h2{max-width:650px}.contactCard p{color:#cbdff8;margin-bottom:0}.lightButton{flex:0 0 auto;background:#fff;color:#0d5fbd}footer{border-top:1px solid var(--line)}.footerInner{min-height:90px;display:flex;justify-content:space-between;align-items:center;color:#718098;font-size:14px}.footerInner div{display:flex;gap:24px}.docHeader{color:#fff;background:linear-gradient(135deg,#061d47,#0d68c9)}.docHeader .nav{height:78px}.docHero{padding:70px 0 78px}.docHero h1{margin:12px 0;font-size:clamp(38px,5vw,58px)}.docHero p{max-width:720px;color:#d3e7ff}.docMain{display:grid;grid-template-columns:230px minmax(0,760px);gap:65px;padding:70px 0 100px}.docAside{position:sticky;top:30px;align-self:start;padding:20px;border-radius:18px;background:var(--soft);color:#527092;font-size:14px}.docAside strong{display:block;color:var(--ink);margin-bottom:9px}.docBody section{padding-bottom:34px;margin-bottom:34px;border-bottom:1px solid var(--line)}.docBody section:last-child{border:0}.docBody h2{font-size:27px;margin:0 0 12px}.docBody h3{font-size:18px;margin:20px 0 5px}.docBody a,.docAside a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.notice{padding:18px 20px;border-left:4px solid var(--blue);border-radius:0 14px 14px 0;background:var(--soft);color:#395675}.faq{padding:22px 0;border-bottom:1px solid var(--line)}.faq h3{margin:0 0 8px}@media(max-width:760px){.shell{width:min(calc(100% - 28px),1120px)}.nav{height:72px}.navLinks{gap:16px;font-size:14px}.brand span{display:none}.hero{min-height:610px}.heroBody{padding:90px 0 100px}.lead{font-size:17px}.section{padding:66px 0}.featureGrid{grid-template-columns:1fr}.contactCard{padding:30px 24px;align-items:stretch;flex-direction:column}.lightButton{width:100%}.footerInner{gap:12px;flex-direction:column;justify-content:center;padding:25px 0}.docMain{grid-template-columns:1fr;gap:28px;padding-top:40px}.docAside{position:static}}