:root{--ink:#133746;--teal:#007f9e;--sky:#00a2c5;--mist:#edf7f8;--line:#dce9eb;--paper:#fff;--muted:#66808a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65}.shell{width:min(1160px,calc(100% - 40px));margin:auto}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:absolute;left:-999px;top:8px;background:#fff;padding:8px;z-index:10}.skip-link:focus{left:8px}.site-header{height:78px;background:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(19,55,70,.08)}.header-inner{height:100%;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;flex:none}.brand img{width:142px;height:auto}.site-nav{display:flex;gap:18px;align-items:center;margin-left:auto}.site-nav a{color:var(--ink);font-size:14px;text-decoration:none;white-space:nowrap}.site-nav a:hover,.site-nav .is-current{color:var(--teal)}.site-search{display:flex;border-bottom:1px solid var(--line);width:154px}.site-search input{border:0;min-width:0;width:100%;outline:none;font:13px inherit;padding:7px 2px}.site-search button{border:0;background:none;color:var(--teal);font-size:21px;line-height:1;cursor:pointer}.nav-toggle{display:none}.hero{min-height:570px;isolation:isolate;overflow:hidden;position:relative;color:#fff;background:linear-gradient(125deg,#063c53 0%,#075b78 48%,#00a2c5 130%)}.hero-content{position:relative;z-index:2;padding:136px 0 116px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:#bcecf4;margin:0 0 15px}.eyebrow.teal{color:var(--teal)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(40px,5vw,68px);line-height:1.15;margin-bottom:20px;letter-spacing:2px}.hero-content>p:not(.eyebrow){font-size:18px;max-width:440px;color:#d8f0f4}.hero-actions{display:flex;align-items:center;gap:26px;margin-top:38px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 24px;text-decoration:none;font-size:14px;border:1px solid transparent;transition:.2s}.button-light{color:#075b78;background:#fff}.button-outline{color:#fff;border-color:#bcecf4}.button:hover{transform:translateY(-2px)}.text-link{color:#fff;text-decoration:none;font-size:14px}.text-link span{font-size:20px;margin-left:8px}.text-link.dark{color:var(--ink)}.hero-orb{position:absolute;border-radius:50%;filter:blur(1px);opacity:.65}.hero-orb-a{width:520px;height:520px;right:-110px;top:-85px;background:radial-gradient(circle at 35% 35%,#9ff6ff,transparent 38%),radial-gradient(circle,#0082aa,transparent 65%)}.hero-orb-b{width:430px;height:430px;right:15%;bottom:-280px;background:#0ca9c8}.hero-panel{position:absolute;right:max(9%,calc((100% - 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