:root{--ink:#17222c;--muted:#6d7b84;--line:#dde4e5;--paper:#f2f0e9;--navy:#123d60;--cyan:#9bd9d2;--green:#28755f;--orange:#c65335}*{box-sizing:border-box}html{background:var(--paper)}body{color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}main{width:min(1220px,100% - 40px);margin:20px auto 48px}.hero{background:var(--navy);color:#fff;border-radius:30px;min-height:560px;padding:30px 58px 48px;position:relative;overflow:hidden}.hero:after{content:"";border:1px solid #ffffff20;border-radius:50%;width:560px;height:560px;position:absolute;top:-220px;right:-120px;box-shadow:0 0 0 90px #ffffff08,0 0 0 180px #ffffff06}nav{z-index:1;justify-content:space-between;align-items:center;display:flex;position:relative}.brand span,.brand small{display:block}.brand span{font-size:18px;font-weight:900}.brand small{letter-spacing:.16em;color:#aec3d0;margin-top:4px;font-size:10px}.route{color:#d3e1e7;border:1px solid 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