:root{--b:#1677ff;--c:#00cfff;--d:#075fdb;--i:#132238;--m:#667085;--l:#e7edf6;--s:#f7fbff;--sh:0 24px 70px rgba(24,82,160,.15)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--i);background:#fff;font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;overflow-x:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.cursor-fluid{position:fixed;z-index:-1;width:360px;height:360px;border-radius:45% 55% 62% 38%;background:radial-gradient(circle,rgba(0,207,255,.22),rgba(22,119,255,.08) 56%,transparent 72%);filter:blur(8px);transform:translate(-50%,-50%);pointer-events:none;transition:width .25s,height .25s}.container{width:min(1180px,calc(100% - 40px));margin:auto}.header{position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(231,237,246,.78);background:rgba(255,255,255,.86);backdrop-filter:blur(20px)}.nav{height:70px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:850}.logo{display:grid;place-items:center;width:36px;height:36px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--b),var(--c))}.links{display:flex;gap:26px;margin-left:auto;color:#536174}.links .active,.links a:hover{color:var(--b)}.menu{display:none;border:0;background:transparent;font-size:25px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border:1px solid transparent;border-radius:999px;font-weight:780;transition:.22s}.btn:hover{transform:translateY(-2px)}.primary{color:#fff;background:linear-gradient(135deg,var(--b),var(--c));box-shadow:0 14px 32px rgba(22,119,255,.25)}.outline{background:#fff;border-color:#cbd8ea;color:#263548}.white{background:#fff;color:var(--b)}
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