:root{--ink:#10243c;--blue:#0b3b72;--blue-2:#14549b;--teal:#27b8ab;--sky:#dcecff;--paper:#f7f9fc;--muted:#5e7187;--line:#dce4ed;--white:#fff;--shadow:0 24px 70px rgba(9,43,78,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;color:var(--ink);background:var(--white);font-family:"Microsoft YaHei UI","PingFang SC","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}svg{display:block}.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}.skip-link{position:fixed;left:18px;top:-80px;z-index:1000;padding:10px 16px;background:#fff;color:var(--blue);border-radius:6px;box-shadow:var(--shadow)}.skip-link:focus{top:18px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(220,228,237,.8);backdrop-filter:blur(16px)}.nav-shell{width:min(1320px,calc(100% - 48px));height:78px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:11px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;color:#fff;background:linear-gradient(145deg,var(--teal),var(--blue-2));box-shadow:0 8px 24px rgba(20,84,155,.2)}.brand-mark svg{width:31px;fill:currentColor}.brand strong{display:block;font-size:20px;line-height:1.1;letter-spacing:.08em}.brand small{display:block;margin-top:4px;color:#789;letter-spacing:.16em;font-size:8px}.site-nav{display:flex;align-items:center;gap:34px;font-size:14px}.site-nav>a{position:relative;color:#334b65}.site-nav>a:not(.nav-cta):after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--teal);transition:.25s}.site-nav>a:hover:after{right:0}.site-nav .nav-cta{padding:9px 18px;border:1px solid var(--blue);border-radius:999px;color:var(--blue);font-weight:600}.menu-toggle{display:none;border:0;background:transparent;width:42px;height:42px;padding:10px}.menu-toggle span{display:block;height:2px;margin:5px;background:var(--blue)}
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@media(max-width:980px){.hero-inner{grid-template-columns:1fr;gap:20px;padding-top:90px}.hero{min-height:auto}.hero-visual{min-height:520px}.intro-grid,.process-grid,.contact-card{grid-template-columns:1fr;gap:45px}.service-grid{grid-template-columns:repeat(2,1fr)}.value-strip{grid-template-columns:repeat(2,1fr)}.value-strip div:nth-child(2){border-right:0}.value-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}.intro-copy{padding-top:0}.contact-card{padding:50px}.site-nav{gap:20px}}
@media(max-width:720px){.container,.nav-shell{width:min(100% - 32px,1180px)}.nav-shell{height:70px}.menu-toggle{display:block}.site-nav{position:absolute;left:16px;right:16px;top:70px;display:none;align-items:stretch;flex-direction:column;gap:0;padding:10px 18px 18px;border:1px solid var(--line);border-radius:0 0 12px 12px;background:#fff;box-shadow:0 18px 40px rgba(9,43,78,.13)}.site-nav.open{display:flex}.site-nav a{padding:12px}.site-nav .nav-cta{text-align:center;margin-top:8px}.hero-inner{padding-top:68px}.hero h1{font-size:42px}.hero-lead{font-size:15px}.hero-visual{min-height:400px}.future-card{padding:16px}.float-note{display:none}.orbit-one{width:420px;height:420px}.orbit-two{width:450px}.section{padding:78px 0}.section-heading h2,.process-copy h2,.contact h2{font-size:34px}.intro-grid{gap:32px}.value-strip{margin-top:50px}.service-grid{grid-template-columns:1fr}.service-card{min-height:310px}.process-grid{gap:48px}.contact-card{padding:38px 25px}.footer-top{align-items:flex-start;flex-direction:column;gap:16px;padding:40px 0}.footer-top>p{margin:0}.footer-top nav{flex-wrap:wrap}.footer-bottom{flex-direction:column;gap:2px;padding:18px 0;text-align:center}.trust-list{gap:12px 20px}}
@media(max-width:430px){.brand strong{font-size:17px}.brand-mark{width:37px;height:37px}.hero h1{font-size:36px}.hero-actions{flex-direction:column}.btn{width:100%}.hero-visual{min-height:340px}.value-strip{grid-template-columns:1fr}.value-strip div{border-right:0!important;border-bottom:1px solid var(--line)!important}.value-strip div:last-child{border-bottom:0!important}.section-heading h2,.process-copy h2,.contact h2{font-size:29px}.contact-card{width:calc(100% - 20px)}.future-card{transform:scale(.92)}}