:root{--black:#0a0a0a;--white:#fff;--paper:#f5f5f3;--gray:#727272;--line:#d7d7d4;--font:"Microsoft YaHei","PingFang SC",Arial,sans-serif;--mono:Consolas,"Courier New",monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--black);background:var(--white);font-family:var(--font);line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%}.bar{height:68px;padding:0 clamp(18px,5vw,84px);display:flex;align-items:center;gap:48px;border-bottom:1px solid #111;background:#fff;position:sticky;top:0;z-index:50}.identity{display:flex;align-items:center;gap:9px}.identity i{width:32px;height:32px;display:grid;place-items:center;background:#000;color:#fff;font-style:normal;font-weight:900}.identity b{font-size:18px}.identity span{font:8px var(--mono);letter-spacing:.1em;color:#777}.bar nav{display:flex;gap:28px;margin:auto}.bar nav a{font-size:11px}.bar nav a.on{font-weight:900;text-decoration:underline;text-underline-offset:5px}.bar-btn{padding:9px 14px;background:#000;color:#fff;font-size:10px;font-weight:800}.menu{display:none;border:0;background:none;font-size:20px}.hero{min-height:720px;padding:clamp(70px,8vw,120px) clamp(20px,6vw,100px) 45px;display:grid;grid-template-columns:.78fr 1.22fr;gap:clamp(60px,8vw,120px);align-items:center}.label,.heading>span,.security-copy>span,.trust>div>span,.resources header>span,.resources aside>span,.cta span,.page-label{font:8px var(--mono);letter-spacing:.15em}.hero h1{font-size:clamp(64px,7.4vw,112px);line-height:.87;letter-spacing:-.065em;margin:28px 0}.hero-main>p{max-width:43em;color:var(--gray);font-size:14px}.actions{display:flex;gap:9px;margin-top:30px}.actions>a{min-width:230px;padding:12px 14px;border:1px solid #000;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb}.actions a.black{background:#000;color:#fff}.actions b,.actions small{display:block}.actions b{font-size:11px}.actions small{font-size:8px;opacity:.65}.security-panel{align-self:center;height:auto;border:1px solid #000}.security-panel header{height:42px;padding:0 13px;display:flex;align-items:center;justify-content:space-between;background:#000;color:#fff}.security-panel header span,.security-panel header b{font-size:9px}.security-panel>img{display:block;width:100%;height:auto;object-fit:contain}.security-panel dl{display:grid;grid-template-columns:repeat(3,1fr);margin:0;border-top:1px solid #000}.security-panel dl div{padding:10px;border-right:1px solid #000}.security-panel dt{font-size:7px;color:#777}.security-panel dd{margin:3px 0;font-size:9px;font-weight:800}.hero-line{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #000;border-bottom:1px solid #000}.hero-line span{padding:11px;text-align:center;border-right:1px solid #000;font:8px var(--mono)}
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.page-hero{padding:clamp(75px,9vw,130px) clamp(20px,6vw,100px);display:grid;grid-template-columns:.75fr 1.25fr;gap:8vw;align-items:center}.page-hero p{max-width:40em;color:var(--gray)}.page-hero img{display:block;width:100%;height:auto;object-fit:contain;border:1px solid #000}.notice{padding:14px 17px;margin-top:24px;border:1px solid #000;font-size:10px;color:var(--gray)}.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #000;border-left:1px solid #000;margin-bottom:100px}.steps article{padding:24px;border-right:1px solid #000;border-bottom:1px solid #000}.steps article>span{font:8px var(--mono)}.steps p{font-size:9px;color:var(--gray)}.faq{max-width:900px;border-top:1px solid #000}.faq article{border-bottom:1px solid #000}.faq button{width:100%;padding:18px 0;display:flex;justify-content:space-between;border:0;background:none;font-weight:800;text-align:left;cursor:pointer}.faq button i{font-style:normal}.faq div{display:none;padding:0 40px 20px 0;color:var(--gray);font-size:10px}.faq article.open div{display:block}
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@media(max-width:720px){.bar{height:62px;padding:0 16px;gap:12px}.identity span{display:none}.bar nav{display:none;position:absolute;top:62px;left:0;right:0;padding:20px;background:#fff;border-bottom:1px solid #000;flex-direction:column}.bar nav.open{display:flex}.bar-btn{margin-left:auto}.menu{display:block}.hero{padding:55px 20px 70px}.hero h1{font-size:clamp(60px,17vw,82px)}.actions{display:grid}.actions>a{min-width:0}.hero-line{grid-template-columns:1fr 1fr}.heading{grid-template-columns:1fr}.systems article{grid-template-columns:1fr}.systems article>a{grid-column:auto}.screens{grid-template-columns:1fr}.screens figure.wide{grid-column:auto}.security-copy li{gap:20px}.steps{grid-template-columns:1fr}.cta{gap:22px}footer{align-items:flex-start;flex-direction:column;gap:18px}footer nav{margin:0;flex-wrap:wrap}}
@media(max-width:470px){.bar-btn{display:none}.security-panel dl{grid-template-columns:1fr}.security-panel dl div{border-bottom:1px solid #000}.feature-list article{grid-template-columns:30px 1fr}.feature-list p{grid-column:2}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Hero image integrity overrides */
.hero{align-items:center}.security-panel{align-self:center;height:auto;margin-top:0;margin-bottom:0;transform:none}.security-panel>img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;clip-path:none;transform:none}