:root{--bg:#081821;--panel:#102832;--panel2:#153540;--ink:#ecfbf7;--muted:#8fb0ae;--aqua:#25e2b2;--yellow:#f3d463;--coral:#ff806c;--line:rgba(180,255,237,.14);--white:#fff;--shadow:0 28px 70px rgba(0,0,0,.3)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei UI",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}body::before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 10% 0,rgba(37,226,178,.12),transparent 28%),radial-gradient(circle at 95% 35%,rgba(255,128,108,.09),transparent 25%)}a{color:inherit;text-decoration:none}img{max-width:100%}h1,h2,h3,p{margin-top:0}:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}.container{width:min(1220px,calc(100% - 42px));margin:auto}.skip{position:fixed;top:-60px;left:20px;z-index:99;background:#fff;color:#111;padding:10px 16px}.skip:focus{top:15px}.card{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)}.site-header{position:sticky;top:0;z-index:50;background:rgba(8,24,33,.88);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand-logo{display:block;width:148px;height:42px;padding:8px 10px;object-fit:contain;background:linear-gradient(120deg,#176f79,#1b9b8d);border-radius:6px}.nav-links{display:flex;gap:30px;color:#9cb6b5;font-size:13px;font-weight:700}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--aqua)}.nav-toggle{display:none;border:0;background:none;color:#fff;font-size:25px}.btn{min-width:154px;min-height:49px;padding:12px 22px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:7px;background:var(--aqua);color:#07241d;font-size:13px;font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;box-shadow:0 13px 28px rgba(37,226,178,.18);transition:.2s}.btn:hover{transform:translateY(-2px);filter:brightness(1.05)}.btn-dark{background:#1c414b;color:#fff;box-shadow:none}.btn-white{background:#fff;color:#0d242c}.hero{padding:85px 0 105px}.hero-top{display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:center}.label{display:inline-flex;align-items:center;gap:9px;margin-bottom:19px;color:var(--aqua);font-size:11px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.label::before{content:"↓";width:25px;height:25px;display:grid;place-items:center;border:1px solid var(--aqua);border-radius:50%}h1{margin-bottom:24px;font-size:clamp(54px,7vw,94px);font-weight:900;line-height:.94;letter-spacing:-.065em}.hero-copy p{max-width:650px;color:var(--muted);font-size:18px}.actions{display:flex;flex-wrap:wrap;gap:10px}.platforms{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}.platforms span{padding:6px 10px;border:1px solid var(--line);color:#9ab7b3;font-size:10px;font-weight:800}.hero-media{align-self:center;height:auto;padding:0;margin:0}.hero-media img{filter:drop-shadow(0 30px 36px rgba(0,0,0,.38))}
.quick-download{margin-top:54px;padding:15px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;border-radius:15px}.quick-card{padding:23px;background:var(--panel2);border:1px solid var(--line);border-radius:9px}.quick-card b{display:block;font-size:18px}.quick-card small{display:block;margin:4px 0 15px;color:var(--muted)}.quick-card a{color:var(--aqua);font-size:11px;font-weight:900}.proof{margin-top:14px;display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line)}.proof div{padding:22px;border-right:1px solid var(--line)}.proof div:last-child{border:0}.proof strong{display:block;font-size:27px}.proof span{color:var(--muted);font-size:10px}
.section{padding:115px 0}.head{max-width:770px;margin-bottom:48px}.head.center{margin-inline:auto;text-align:center}.head.center .label{justify-content:center}h2{margin-bottom:17px;font-size:clamp(39px,4.8vw,64px);line-height:1.03;letter-spacing:-.05em;font-weight:900}.lead{color:var(--muted);font-size:17px}
.download-matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:15px}.download-box{grid-column:span 4;min-height:280px;padding:30px;display:flex;flex-direction:column;justify-content:space-between}.download-box.wide{grid-column:span 6}.download-box h3{font-size:27px}.download-box p{color:var(--muted);font-size:13px}.os{width:52px;height:52px;display:grid;place-items:center;background:var(--aqua);color:#08241d;border-radius:50%;font-weight:900}.meta{display:flex;justify-content:space-between;padding-top:16px;border-top:1px solid var(--line);color:#91aaa8;font-size:10px}.download-box .btn{width:100%;margin-top:18px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.feature{padding:30px}.feature i{width:48px;height:48px;margin-bottom:19px;display:grid;place-items:center;background:#1b4149;color:var(--aqua);border-radius:8px;font-style:normal;font-weight:900}.feature p{margin:0;color:var(--muted);font-size:13px}.content-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:15px}.story-main{min-height:500px;padding:42px;display:flex;flex-direction:column;justify-content:space-between;background:var(--yellow);color:#122126}.story-main .label{color:#163b37}.story-main .label::before{border-color:#163b37}.story-main h3{font-size:40px}.story-main p{color:#3d5350}.story-list{display:grid;gap:15px}.story{padding:29px}.story h3{font-size:23px}.story p{color:var(--muted);font-size:13px}.link{color:var(--aqua);font-size:12px;font-weight:900}.story-main .link{color:#102f2c}
.device-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}.device-media{align-self:center;height:auto;padding:0;margin:0}.device-media img{filter:drop-shadow(20px 30px 30px rgba(0,0,0,.3))}.device-tags{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:26px}.device-tags span{padding:12px;background:var(--panel);border:1px solid var(--line);text-align:center;font-size:11px;font-weight:800}
.reviews,.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.review,.price{padding:34px}.stars{color:var(--yellow);letter-spacing:3px}.review blockquote{margin:22px 0;color:#bbcfcd}.person{padding-top:17px;border-top:1px solid var(--line)}.person span{display:block;color:var(--muted);font-size:11px}.price.featured{background:var(--aqua);color:#08241d;transform:translateY(-13px)}.plan{font-size:11px;font-weight:900;letter-spacing:.1em}.amount{margin:20px 0 7px;font-size:52px;font-weight:900}.amount small{font-size:13px}.price p{min-height:45px;color:var(--muted);font-size:13px}.price.featured p{color:#245c51}.price ul{padding:19px 0 0;margin:22px 0;list-style:none;border-top:1px solid var(--line)}.price li{margin:9px 0;font-size:13px}.price li::before{content:"✓";margin-right:8px;color:var(--aqua)}.price.featured li::before{color:#08241d}.price .btn{width:100%}.note{text-align:center;color:var(--muted);font-size:11px;margin-top:21px}
.faq{max-width:940px;margin:auto}.faq details{margin-bottom:10px;background:var(--panel);border:1px solid var(--line)}.faq summary{padding:22px 65px 22px 24px;position:relative;cursor:pointer;list-style:none;font-weight:800}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";position:absolute;right:22px;color:var(--aqua);font-size:23px}.faq details[open] summary::after{content:"−"}.faq details p{padding:0 65px 24px 24px;margin:0;color:var(--muted)}
.cta{padding:35px 0 110px}.cta-box{padding:65px;display:grid;grid-template-columns:1fr auto;gap:45px;align-items:center;background:var(--coral);color:#fff}.cta-box p{max-width:700px;color:#fff1ed}.cta-box .label{color:#fff}.cta-box .label::before{border-color:#fff}.site-footer{padding:68px 0 25px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:42px}.footer-intro p{max-width:280px;margin-top:17px;color:var(--muted);font-size:13px}.footer-col h3{font-size:13px}.footer-col a{display:block;margin:9px 0;color:var(--muted);font-size:13px}.footer-bottom{margin-top:44px;padding-top:19px;display:flex;justify-content:space-between;border-top:1px solid var(--line);color:#77918f;font-size:11px}
.page-hero{padding:110px 0 78px}.page-box{padding:58px;background:var(--panel);border:1px solid var(--line)}.page-box h1{font-size:clamp(50px,6vw,82px)}.page-box p{max-width:700px;color:var(--muted);font-size:17px}.help-layout{display:grid;grid-template-columns:270px 1fr;gap:65px;align-items:start}.help-menu{position:sticky;top:100px;padding:21px;background:var(--panel)}.help-menu strong{display:block;padding:8px}.help-menu a{display:block;padding:9px 8px;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}.help-menu a:hover{color:var(--aqua)}.help-content article{padding:0 0 52px;margin-bottom:52px;border-bottom:1px solid var(--line);scroll-margin-top:105px}.help-content h2{font-size:39px}.help-content p,.help-content li{color:var(--muted)}.notice{padding:18px 21px;background:#153b40;border-left:4px solid var(--aqua)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media(max-width:980px){.nav-links{display:none;position:absolute;top:78px;left:20px;right:20px;padding:20px;flex-direction:column;background:var(--panel)}.nav-links.open{display:flex}.nav-toggle{display:block}.nav>.btn{display:none}.hero-top,.content-grid,.device-layout{grid-template-columns:1fr}.quick-download{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}@media(max-width:700px){.container{width:min(100% - 26px,1220px)}.section{padding:82px 0}h1{font-size:49px}.quick-download,.proof,.feature-grid,.reviews,.pricing{grid-template-columns:1fr}.proof div{border-right:0;border-bottom:1px solid var(--line)}.download-matrix{grid-template-columns:1fr}.download-box,.download-box.wide{grid-column:auto}.device-tags{grid-template-columns:1fr 1fr}.price.featured{transform:none}.cta-box{padding:44px 26px;grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{grid-column:span 2}.footer-bottom{flex-direction:column;gap:7px}.help-layout{grid-template-columns:1fr}.help-menu{position:static}}
/* Natural image constraints */
.hero-top{align-items:center}.hero-media{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none;clip-path:none}.hero-media img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;transform:none;clip-path:none}.device-layout{align-items:center}.device-media{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none;clip-path:none}.device-media img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;transform:none;clip-path:none}