:root{--red:#d60000;--darkred:#a90000;--ink:#1d222b;--muted:#5b6472;--soft:#87909e;--bg:#f4f5f7;--panel:#fff;--line:#dde2ea;--shadow:0 16px 38px rgba(24,32,46,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(20,28,40,.08)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.logo{flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap;margin-left:auto}.nav-core 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span{font-size:13px;opacity:.86;margin-top:5px}.dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.dashboard article{background:#fff;border:1px solid rgba(20,28,40,.08);border-top:4px solid var(--red);padding:30px;border-radius:0 0 20px 20px;box-shadow:var(--shadow)}.dashboard article>span{color:var(--red);font-weight:900}.dashboard h2,.feature-copy h2,.section-head h2,.service-copy h2,.notice-security h2,.about-strip h2{margin:8px 0 12px;color:var(--ink);line-height:1.3}.dashboard p,.feature-copy p,.section-head p,.service-copy p,.notice-security p,.about-strip p{color:var(--muted)}.dashboard a,.notice-security a,.about-strip a{font-weight:800;color:var(--red)}.feature-split,.service-split{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.feature-media,.service-media{background:#eef1f5;display:flex;align-items:center;justify-content:center;padding:24px}.feature-media img,.service-media 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