:root{--primary:rgb(176,219,245);--primary-dark:#1d6f9f;--deep:#0d2f4f;--blue:#2476a8;--light:#eef8ff;--soft:#f6fbff;--gray:#eef2f5;--text:#17202a;--muted:#5b6673;--white:#fff;--border:#dbeaf3;--shadow:0 14px 34px rgba(21,70,110,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#f7fcff 100%);line-height:1.7;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.mobile-header{height:62px;display:grid;grid-template-columns:58px 1fr 86px;align-items:center;padding:0 14px;background:#fff}.menu-button{width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}.menu-button span{width:20px;height:2px;background:var(--deep);border-radius:4px}.mobile-logo{justify-self:center}.mobile-logo 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