:root{--navy:#173354;--navy-2:#0d2747;--red:#a7191d;--blue:#2563eb;--ink:#172b4d;--text:#4f5d70;--line:#e8edf3;--soft:#f7f9fc;--warm:#fff3bf;--shadow:0 18px 48px rgba(23,43,77,.16)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","Microsoft YaHei UI",Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.site-header{height:72px;padding:0 max(28px,calc((100vw - 1200px)/2));display:flex;align-items:center;gap:34px;position:sticky;top:0;z-index:20;background:linear-gradient(#fff,#f9fbff);border-bottom:1px solid #eef2f7;box-shadow:0 4px 18px rgba(23,43,77,.05)}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:750;white-space:nowrap}.brand img{border-radius:10px}.site-nav{margin-left:auto;display:flex;align-items:center;gap:34px;color:#40516a;font-size:15px}.site-nav a{height:72px;display:flex;align-items:center;position:relative}.site-nav a:hover,.site-nav a.active{color:#1d70f4}.site-nav a.active:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:8px;background:#1d70f4;border-radius:3px}.site-nav .admin-link{height:38px;padding:0 18px;color:#fff;border-radius:7px;background:linear-gradient(135deg,#f02fc2,#6094ea);box-shadow:0 8px 18px rgba(96,148,234,.25)}.site-nav .admin-link:after{display:none}.menu-button{display:none;border:1px solid #dce5ef;background:#fff;color:var(--ink);border-radius:7px;padding:8px 12px}.hero{background:linear-gradient(331deg,var(--warm),#fff);border-bottom:1px solid #f5e8a5}.hero-inner{min-height:570px;max-width:1200px;margin:0 auto;padding:46px 28px 24px;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(380px,.88fr);align-items:center;gap:56px}.product-shot-wrap{position:relative;padding:10px;border-radius:18px;background:linear-gradient(135deg,#ffb176,#e06cd3,#719cf8);box-shadow:var(--shadow)}.product-shot{display:block;width:100%;height:auto;border-radius:11px;background:#081628}.hero-copy{max-width:540px}.eyebrow,.section-heading>span,.security-copy>span{font-size:12px;letter-spacing:.16em;font-weight:800;color:#1d70f4}.hero h1{font-size:42px;line-height:1.25;margin:18px 0 16px;letter-spacing:-.035em}.hero-copy>p{font-size:19px;line-height:1.8;color:#667184;margin:0}.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:32px;max-width:430px}.button{min-height:46px;border-radius:7px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;transition:transform .18s ease,box-shadow .18s ease}.button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(23,43,77,.2)}.button.primary{background:var(--navy)}.button.secondary{background:var(--red)}.release-summary{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;color:#657287;font-size:13px}.release-summary span{position:relative}.release-summary span+span:before{content:"";position:absolute;width:4px;height:4px;border-radius:50%;background:#a9b4c4;left:-11px;top:8px}.download-note{text-align:center;color:#615d4a;font-size:14px;margin:0;padding:0 20px 18px}.section{max-width:1200px;margin:0 auto;padding:92px 28px}.section-heading{text-align:center;max-width:720px;margin:0 auto 48px}.section-heading h2,.security-copy h2{font-size:36px;line-height:1.3;margin:14px 0}.section-heading p,.security-copy p{color:var(--text);font-size:17px;line-height:1.75}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-grid article{border:1px solid var(--line);padding:28px 24px;border-radius:12px;background:#fff;box-shadow:0 12px 34px rgba(23,43,77,.06)}.feature-grid b{color:#1d70f4;font-size:13px;letter-spacing:.12em}.feature-grid h3{font-size:19px;margin:18px 0 10px}.feature-grid p{font-size:14px;line-height:1.75;color:#69768a;margin:0}.security-section{background:var(--navy-2);color:#fff;padding:84px max(28px,calc((100vw - 1144px)/2));display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.security-copy p{color:#b8c6d8}.security-copy ul{list-style:none;padding:0;margin:25px 0 0;display:grid;gap:13px}.security-copy li{position:relative;padding-left:24px;color:#dce7f4}.security-copy li:before{content:"✓";position:absolute;left:0;color:#69a8ff;font-weight:800}.security-panel{display:grid;gap:12px}.security-panel div{display:grid;grid-template-columns:44px 1fr;gap:2px 14px;padding:20px;border:1px solid #294667;background:#102e50;border-radius:10px}.security-panel span{grid-row:1/3;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#1d70f4;font-weight:800}.security-panel small{color:#9fb2c8;margin-top:4px}.section-heading.compact{margin-bottom:30px}.faq-section{max-width:940px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0 4px}summary{list-style:none;cursor:pointer;font-size:17px;font-weight:700;padding:22px 40px 22px 0;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:8px;color:#1d70f4;font-size:24px;font-weight:400;top:16px}details[open] summary:after{content:"−"}details p{color:#617086;line-height:1.75;margin:0 0 22px;max-width:780px}.site-footer{padding:42px max(28px,calc((100vw - 1200px)/2));background:#f7f9fc;border-top:1px solid var(--line);display:grid;grid-template-columns:auto 1fr auto;gap:10px 28px;align-items:center;color:#627086}.footer-brand{display:flex;align-items:center;gap:9px;color:var(--ink)}.footer-brand img{border-radius:8px}.site-footer p{margin:0}.site-footer>div:nth-of-type(2){display:flex;gap:22px;color:#1d70f4}.site-footer small{grid-column:1/-1;color:#8a96a8;margin-top:14px}.button:focus-visible,a:focus-visible,summary:focus-visible,.menu-button:focus-visible{outline:3px solid rgba(29,112,244,.35);outline-offset:3px}
@media(max-width:980px){.site-nav{gap:18px}.hero-inner{grid-template-columns:1fr;gap:34px}.product-shot-wrap{max-width:760px}.hero-copy{max-width:760px}.feature-grid{grid-template-columns:1fr 1fr}.security-section{grid-template-columns:1fr;gap:42px}.site-footer{grid-template-columns:1fr}.site-footer small{grid-column:auto}}
@media(max-width:720px){.site-header{height:64px;padding:0 14px}.brand{font-size:19px}.brand img{width:36px;height:36px}.menu-button{display:block;margin-left:auto}.site-nav{display:none;position:absolute;top:64px;left:0;right:0;margin:0;padding:10px 16px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(23,43,77,.12);flex-direction:column;align-items:stretch;gap:0}.site-nav.open{display:flex}.site-nav a,.site-nav .admin-link{height:48px;padding:0 12px}.site-nav a.active:after{display:none}.site-nav .admin-link{margin-top:6px;justify-content:center}.hero-inner{min-height:0;padding:28px 14px 18px;gap:28px}.product-shot-wrap{padding:5px;border-radius:12px}.product-shot{border-radius:8px}.hero h1{font-size:30px;margin-top:12px}.hero-copy>p{font-size:16px}.hero-actions{grid-template-columns:1fr;margin-top:24px;max-width:none}.release-summary{gap:6px 16px}.section{padding:68px 16px}.section-heading{margin-bottom:32px}.section-heading h2,.security-copy h2{font-size:28px}.feature-grid{grid-template-columns:1fr}.security-section{padding:64px 16px}.site-footer{padding:36px 18px}.site-footer>div:nth-of-type(2){flex-direction:column;gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
@media(min-width:721px){.hero-inner{padding:58px 28px 30px;grid-template-columns:1fr;gap:42px}.hero-copy{max-width:820px;margin:0 auto;text-align:center}.hero h1{font-size:46px;line-height:1.2}.hero-actions{margin:32px auto 0}.release-summary{justify-content:center}.product-shot{background:#fff}}