:root{--navy:#092b42;--blue:#105186;--mist:#f0f2f3;--amber:#fdb338;--ink:#171c1d;--white:#fff;--muted:#62727c;--line:#d7e0e4;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--white);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.site-header{position:fixed;z-index:20;top:0;left:0;right:0;height:72px;padding:0 max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:240px 1fr 112px;align-items:center;background:rgba(9,43,66,.92);border-bottom:1px solid rgba(255,255,255,.16);backdrop-filter:blur(14px)}.wordmark img{width:196px;height:44px;object-fit:contain;object-position:left center}.site-header nav{display:flex;justify-content:center;gap:32px;color:#d8e3e8;font-size:14px}.site-header nav a:hover{color:var(--amber)}.header-cta,.primary{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;background:var(--amber);color:var(--navy);font-weight:800}.hero{position:relative;min-height:min(860px,88vh);padding:150px max(24px,calc((100vw - 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