:root{--blue:#0866d9;--deep:#074ca8;--ink:#101828;--muted:#596579;--line:#e2e8f0;--surface:#f6f8fb;--violet:#7657e8;--font:"Manrope","Noto Sans SC","Microsoft YaHei",sans-serif;--page:74rem}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:var(--font);font-size:1rem;line-height:1.7;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit}.wrap{width:min(var(--page),calc(100% - 3rem));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);border-bottom:1px solid rgba(226,232,240,.8);backdrop-filter:blur(18px)}.nav-shell{height:4.75rem;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{display:inline-flex;align-items:center;gap:.7rem;text-decoration:none;font-size:1.1rem;font-weight:800}.brand img{width:2rem;height:2rem;border-radius:.55rem}.nav{display:flex;gap:2rem}.nav a,.lang{color:#475467;text-decoration:none;font-size:.9rem;font-weight:600}.nav a:hover,.lang:hover{color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:1.25rem}.button{display:inline-flex;align-items:center;justify-content:center;gap:.75rem;border-radius:.7rem;padding:.8rem 1.15rem;text-decoration:none;font-weight:700;line-height:1.2;transition:transform .2s,background .2s,box-shadow .2s}.button:hover{transform:translateY(-2px)}.button-small{padding:.65rem 1rem;background:var(--ink);color:#fff;font-size:.88rem}.button-primary{padding:1rem 1.35rem;background:var(--blue);color:#fff;box-shadow:0 12px 28px rgba(8,102,217,.24)}.button-primary:hover{background:var(--deep)}.button-secondary{padding:1rem 1.35rem;background:#fff;border:1px solid #cfd7e3}
.hero{overflow:hidden;background:linear-gradient(180deg,#f4f8ff 0,#fff 90%);padding:6.5rem 0 0}.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:4rem}.platform{display:flex;align-items:center;gap:.55rem;margin-bottom:1.35rem;color:var(--deep);font-size:.88rem;font-weight:700}.platform span{width:.55rem;height:.55rem;border-radius:50%;background:var(--blue);box-shadow:0 0 0 .3rem rgba(8,102,217,.12)}h1,h2,h3,p{margin-top:0}.hero h1{margin-bottom:1.5rem;font-size:clamp(2.9rem,5.4vw,5rem);line-height:1.08;letter-spacing:-.055em}.hero-lead{max-width:38rem;margin-bottom:2rem;color:var(--muted);font-size:1.13rem;line-height:1.8}.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem}.release-note{margin:1rem 0 0;color:#7a8597;font-size:.82rem}.product-stage{position:relative;min-height:34rem;display:flex;align-items:center;justify-content:center}.stage-glow{position:absolute;width:35rem;height:35rem;border-radius:50%;background:radial-gradient(circle,rgba(72,155,255,.28),rgba(72,155,255,0) 67%)}.window-card{position:relative;width:min(100%,37rem);padding:.45rem;background:#fff;border:1px solid rgba(148,163,184,.35);border-radius:1rem;box-shadow:0 34px 80px rgba(28,63,111,.2);transform:rotate(1.5deg)}.window-top{height:2.3rem;display:flex;align-items:center;justify-content:flex-end;gap:.5rem;padding:0 .75rem;color:#667085;font-size:.72rem}.window-top span{margin-right:auto;padding-left:.25rem;font-weight:700}.window-top i{display:block;width:.45rem;height:.45rem;border-radius:50%;background:#c8d1dd}.window-card img{width:100%;border-radius:.55rem}.privacy-chip{position:absolute;right:-.8rem;bottom:3.2rem;display:grid;grid-template-columns:2.5rem 1fr;column-gap:.8rem;align-items:center;padding:1rem 1.15rem;background:#fff;border:1px solid #dce4ef;border-radius:.9rem;box-shadow:0 16px 34px rgba(16,24,40,.13)}.privacy-chip .shield{grid-row:1/3;width:2.5rem;height:2.5rem;display:grid;place-items:center;border-radius:.7rem;background:#e9f7ef;color:#16804a;font-weight:800}.privacy-chip strong{font-size:.88rem}.privacy-chip small{color:#6d788b}.trust-row{display:flex;justify-content:space-between;gap:1rem;margin-top:4rem;padding:1.35rem 0;border-top:1px solid var(--line);color:#667085;font-size:.85rem;font-weight:600}.trust-row span:before{content:"✓";margin-right:.5rem;color:var(--blue)}
.section{padding:7.5rem 0}.section-heading{display:grid;grid-template-columns:1fr 1fr;column-gap:4rem;margin-bottom:3.5rem}.section-heading .kicker{grid-column:1/-1}.section-heading h2,.privacy-copy h2,.split-heading h2,.remote-copy h2,.download-card h2{margin-bottom:0;font-size:clamp(2.25rem,4vw,3.7rem);line-height:1.12;letter-spacing:-.045em}.section-heading>p:last-child,.split-heading>p{align-self:end;max-width:32rem;margin:0;color:var(--muted)}.kicker{margin-bottom:1rem;color:var(--blue);font-size:.82rem;font-weight:800;letter-spacing:.06em}.capability-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.feature{padding:2.15rem;background:var(--surface);border:1px solid #edf0f5;border-radius:1.25rem}.feature-wide{grid-column:1/-1;display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:end;min-height:25rem;overflow:hidden}.feature h3{margin:1.3rem 0 .7rem;font-size:1.45rem;line-height:1.3}.feature p{max-width:34rem;margin-bottom:0;color:var(--muted)}.feature ul{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;padding:0;margin:1.5rem 0 0;list-style:none;color:#475467;font-size:.88rem;font-weight:600}.feature li:before{content:"✓";margin-right:.45rem;color:var(--blue)}.icon-tile{width:2.8rem;height:2.8rem;display:grid;place-items:center;border-radius:.8rem;background:#e9f3ff;color:var(--blue);font-weight:800}.icon-tile.violet{background:#eeeafd;color:var(--violet)}.mode-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:.6rem;padding:1rem;border:1px solid #dde3ec;border-radius:1rem;background:#fff;box-shadow:0 22px 45px rgba(33,63,102,.12)}.mode-strip span{min-height:6.8rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.55rem;border-radius:.7rem;color:#687386;font-size:1.3rem}.mode-strip b{font-size:.78rem}.mode-strip .active{background:var(--blue);color:#fff}
.privacy-section{background:#0d1b31;color:#fff}.privacy-grid{display:grid;grid-template-columns:1fr 1fr;gap:6rem;align-items:center}.privacy-copy>p:not(.kicker){max-width:34rem;color:#aebcd0}.checks{margin-top:2.3rem}.checks>div{display:grid;grid-template-columns:1.1fr 1fr;gap:1rem;padding:1rem 0;border-top:1px solid rgba(255,255,255,.13)}.checks span{color:#aebcd0;font-size:.9rem}.privacy-visual{position:relative;min-height:25rem;display:grid;place-items:center;border:1px solid rgba(255,255,255,.13);border-radius:1.5rem;background:radial-gradient(circle,rgba(26,123,255,.18),transparent 55%)}.device{width:75%;padding:2rem;border:1px solid rgba(255,255,255,.22);border-radius:1rem;background:rgba(255,255,255,.08);box-shadow:0 25px 50px rgba(0,0,0,.2)}.device span,.device strong,.device small{display:block}.device span{margin-bottom:1.3rem;color:#aebcd0;font-size:.85rem}.device strong{font-size:1.25rem}.device small{margin-top:.7rem;color:#7fa9df}.blocked-cloud{position:absolute;right:1.3rem;bottom:1.3rem;padding:.8rem 1rem;border-radius:.75rem;background:#fff;color:var(--ink);font-size:.82rem}.blocked-cloud span{margin-right:.45rem}
.library-section{background:var(--surface)}.split-heading{display:grid;grid-template-columns:1fr .8fr;align-items:end;gap:4rem;margin-bottom:3.5rem}.app-frame{width:min(78rem,calc(100% - 2rem));margin:auto;padding:.45rem;background:#fff;border:1px solid #d9e0e9;border-radius:1rem;box-shadow:0 30px 70px rgba(37,56,88,.16);overflow:hidden}.frame-bar{height:2.5rem;display:flex;align-items:center;justify-content:space-between;padding:0 .85rem;color:#5e6979;font-size:.75rem}.app-frame img{width:100%;border-radius:.55rem}.workflow{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:3rem}.workflow>div{display:grid;grid-template-columns:2.5rem 1fr;column-gap:.8rem}.workflow b{grid-row:1/3;color:var(--blue);font-size:.8rem}.workflow strong{font-size:.95rem}.workflow span{color:var(--muted);font-size:.85rem}.remote-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:5rem;align-items:center}.remote-copy>p:not(.kicker){max-width:32rem;color:var(--muted)}.remote-points{display:grid;gap:.7rem;margin:1.8rem 0}.remote-points span:before{content:"✓";margin-right:.65rem;color:var(--blue);font-weight:800}.text-link{color:var(--blue);font-weight:700;text-underline-offset:.25rem}.remote-demo{position:relative;padding:1rem;background:#edf4fc;border-radius:1.5rem}.remote-demo>img{width:100%;border-radius:.9rem;box-shadow:0 16px 38px rgba(31,55,85,.15)}.phone{position:absolute;left:-2rem;bottom:-2rem;width:10rem;padding:1.2rem;border:.45rem solid #182230;border-radius:1.7rem;background:#fff;text-align:center;box-shadow:0 22px 45px rgba(16,24,40,.2)}.phone-top{width:2.5rem;height:.25rem;margin:-.65rem auto 1rem;border-radius:1rem;background:#d3dae4}.phone strong,.phone b{display:block}.phone strong{color:#16804a;font-size:.75rem}.phone b{margin:.4rem 0 1rem;font-size:1.25rem}.phone button{width:100%;padding:.55rem;border:0;border-radius:.45rem;background:#e94b55;color:#fff;font:inherit;font-size:.72rem}
.download-section{padding:0 0 6rem}.download-card{display:grid;grid-template-columns:1fr auto;gap:3rem;align-items:end;padding:4.5rem;border-radius:1.5rem;background:linear-gradient(135deg,#0866d9,#07499c);color:#fff;box-shadow:0 28px 60px rgba(8,102,217,.25)}.download-card .kicker{color:#b8d8ff}.download-card p:not(.kicker){max-width:34rem;margin:1.2rem 0 0;color:#d6e7ff}.download-actions{display:flex;flex-direction:column;align-items:center;gap:.75rem}.button-white{background:#fff;color:#0751ae}.download-actions span{color:#c3dcfa;font-size:.75rem}.site-footer{padding:4.5rem 0 2rem;background:#0c1423;color:#a8b3c5}.footer-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:5rem}.footer-brand{color:#fff}.footer-grid>div>p{max-width:22rem;margin-top:1rem;font-size:.88rem}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.footer-links div{display:flex;flex-direction:column;gap:.7rem}.footer-links strong{margin-bottom:.3rem;color:#fff;font-size:.85rem}.footer-links a{color:#a8b3c5;text-decoration:none;font-size:.84rem}.footer-links a:hover{color:#fff}.copyright{display:flex;justify-content:space-between;margin-top:3.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);font-size:.76rem}.button:focus-visible,a:focus-visible{outline:3px solid #79b7ff;outline-offset:3px}
@media(prefers-reduced-motion:no-preference){.window-card{animation:arrive .8s cubic-bezier(.2,.8,.2,1) both}.privacy-chip{animation:arrive .8s .18s cubic-bezier(.2,.8,.2,1) both}@keyframes arrive{from{opacity:0;transform:translateY(1.5rem) rotate(1.5deg)}to{opacity:1;transform:rotate(1.5deg)}}}@media(max-width:900px){.nav{display:none}.hero{padding-top:4rem}.hero-grid,.privacy-grid,.remote-grid{grid-template-columns:1fr;gap:3rem}.product-stage{min-height:28rem}.section-heading,.split-heading{grid-template-columns:1fr;gap:1.2rem}.feature-wide{grid-template-columns:1fr}.remote-grid{gap:4rem}.download-card{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:3rem}}@media(max-width:640px){.wrap{width:min(var(--page),calc(100% - 1.5rem))}.site-header .lang{display:none}.nav-shell{height:4.2rem}.hero{padding-top:3.2rem}.hero h1{font-size:2.7rem}.hero-lead{font-size:1rem}.product-stage{min-height:22rem}.privacy-chip{right:0;bottom:0}.trust-row{overflow:auto;justify-content:flex-start;white-space:nowrap;margin-top:2.5rem}.section{padding:5rem 0}.section-heading h2,.privacy-copy h2,.split-heading h2,.remote-copy h2,.download-card h2{font-size:2.35rem}.capability-grid{grid-template-columns:1fr}.feature{padding:1.4rem}.feature-wide{grid-column:auto;gap:2rem}.mode-strip{grid-template-columns:repeat(5,4.6rem);overflow:auto}.checks>div{grid-template-columns:1fr;gap:.2rem}.privacy-visual{min-height:19rem}.device{width:88%;padding:1.3rem}.workflow{grid-template-columns:1fr;gap:1.8rem}.phone{left:.5rem;bottom:-2.5rem}.remote-section{padding-bottom:8rem}.download-section{padding:0}.download-card{width:100%;border-radius:0;padding:3.5rem 1.5rem}.download-actions{align-items:stretch}.footer-links{grid-template-columns:repeat(2,1fr)}.copyright{flex-direction:column;gap:.5rem}.product-stage{margin-inline:-.5rem}}