:root{--bg:#f3f4f6;--ink:#171b23;--muted:#6e7580;--dark:#141a25;--card:#fff;--blue:#446ef0;--coral:#ff6c58;--mint:#35c9aa;--line:rgba(22,27,35,.12);--shadow:0 26px 70px rgba(30,36,50,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:"Microsoft YaHei UI","PingFang SC",Arial,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}body::before{content:"";position:fixed;inset:0;z-index:-3;opacity:.22;background-image:linear-gradient(rgba(20,26,37,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(20,26,37,.13) 1px,transparent 1px);background-size:54px 54px}a{color:inherit;text-decoration:none}img{max-width:100%}h1,h2,h3,p{margin-top:0}:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.container{width:min(1200px,calc(100% - 42px));margin:auto}.skip{position:fixed;top:-60px;left:18px;z-index:99;padding:10px 16px;background:#fff;border-radius:999px}.skip:focus{top:16px}.card{background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.95);box-shadow:var(--shadow)}
.site-header{position:sticky;top:0;z-index:50;padding:12px 0;background:rgba(243,244,246,.87);backdrop-filter:blur(16px)}.nav{min-height:70px;padding:10px 12px 10px 18px;display:flex;align-items:center;justify-content:space-between;gap:25px;border-radius:20px}.brand-logo{width:150px;height:42px;padding:8px 12px;display:block;object-fit:contain;border-radius:12px;background:linear-gradient(135deg,#6964dc,#318cc8)}.nav-links{display:flex;gap:29px;color:#69727d;font-size:13px;font-weight:850}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--blue)}.nav-toggle{display:none;border:0;background:transparent;font-size:25px}.btn{min-width:145px;min-height:49px;padding:12px 22px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;background:linear-gradient(135deg,#4d77ef,#365ed5);color:#fff;font-size:13px;font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;box-shadow:0 14px 29px rgba(54,88,201,.24);transition:.2s}.btn:hover{transform:translateY(-3px)}.btn-coral{background:linear-gradient(135deg,#ff806d,#e95746);box-shadow:0 14px 29px rgba(218,81,63,.22)}.btn-light{background:#fff;color:#303640;box-shadow:0 12px 25px rgba(36,43,57,.1)}
.hero{padding:80px 0 100px}.hero-layout{min-height:720px;display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:center}.hero-map{align-self:center;height:auto;padding:25px;position:relative;border-radius:28px;background:var(--dark);overflow:hidden;box-shadow:var(--shadow)}.hero-map::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(68,110,240,.26),transparent 30%),radial-gradient(circle at 75% 75%,rgba(53,201,170,.2),transparent 30%)}.hero-map img{position:relative;z-index:2;filter:drop-shadow(0 35px 40px rgba(0,0,0,.4))}.route-chip{position:absolute;z-index:3;padding:12px 15px;border-radius:12px;background:#fff;box-shadow:0 13px 27px rgba(0,0,0,.22);font-size:10px;font-weight:900}.chip-a{left:4%;top:11%}.chip-b{right:3%;bottom:12%}.eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;color:#666e79;font-size:11px;font-weight:950;letter-spacing:.13em}.eyebrow::before{content:"";width:26px;height:3px;background:var(--coral)}h1{margin-bottom:24px;font-size:clamp(52px,6vw,86px);font-weight:950;line-height:.97;letter-spacing:-.065em}.accent{color:var(--blue)}.hero-copy>p{max-width:560px;color:var(--muted);font-size:17px}.actions{display:flex;flex-wrap:wrap;gap:11px}.platforms{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}.tag{padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#68717c;font-size:10px;font-weight:850}
.stats{margin-top:25px;padding:15px;display:grid;grid-template-columns:repeat(5,1fr);gap:10px;border-radius:21px}.stat{padding:22px 10px;border-radius:14px;background:#f1f2f4;text-align:center}.stat b{display:block;font-size:26px}.stat span{color:#7b838e;font-size:10px}
.section{padding:120px 0}.head{max-width:760px;margin-bottom:52px}.head.center{margin-inline:auto;text-align:center}.head.center .eyebrow{justify-content:center}h2{margin-bottom:18px;font-size:clamp(39px,4.5vw,62px);font-weight:950;line-height:1.06;letter-spacing:-.055em}.lead{color:var(--muted);font-size:17px}
.switch-board{padding:35px;display:grid;grid-template-columns:1fr 360px;gap:30px;border-radius:25px}.route-screen{min-height:520px;padding:38px;position:relative;overflow:hidden;border-radius:19px;background:var(--dark);color:#fff}.route-screen p{max-width:560px;color:#a5adba}.route-line{position:absolute;left:9%;right:8%;bottom:90px;height:120px;border-top:5px solid var(--blue);border-radius:50%;transform:rotate(-6deg)}.route-line::before,.route-line::after{content:"";position:absolute;width:24px;height:24px;border:8px solid #fff;border-radius:50%;background:var(--coral);top:-17px}.route-line::before{left:10%}.route-line::after{right:15%;background:var(--mint)}.node-list{display:grid;gap:10px}.node{padding:19px;display:grid;grid-template-columns:38px 1fr auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:14px}.node.active{background:rgba(68,110,240,.1);border-color:rgba(68,110,240,.3)}.node-dot{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#e8ebf0;color:var(--blue);font-size:11px;font-weight:950}.node b{display:block;font-size:13px}.node span{color:var(--muted);font-size:10px}.ping{color:var(--mint)!important;font-weight:900}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.feature{min-height:280px;padding:30px;display:flex;flex-direction:column;justify-content:space-between;border-radius:20px}.feature:nth-child(2){background:var(--dark);color:#fff}.feature-icon{width:50px;height:50px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--coral),var(--blue));color:#fff;font-weight:950}.feature h3{font-size:24px}.feature p{color:var(--muted);font-size:13px}.feature:nth-child(2) p{color:#a4acb8}
.news-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:17px}.news-list{display:grid;gap:17px}.news-card{padding:29px;border-radius:18px}.news-card h3{font-size:23px}.news-card p{color:var(--muted);font-size:13px}.news-main{min-height:500px;padding:42px;display:flex;flex-direction:column;justify-content:space-between;border-radius:23px;background:linear-gradient(145deg,#1b2637,#121a27);color:#fff}.news-main h3{font-size:38px}.news-main p{color:#a5afbc}.text-link{color:var(--blue);font-size:13px;font-weight:900}.news-main .text-link{color:#6fdac5}
.device-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.device-media{align-self:center;height:auto;padding:0;margin:0}.device-media img{filter:drop-shadow(20px 34px 32px rgba(44,51,66,.22))}.persona-list{display:grid;gap:11px;margin-top:28px}.persona{padding:19px 21px;display:grid;grid-template-columns:90px 1fr;gap:15px;border-radius:15px}.persona b{color:var(--blue);font-size:11px}.persona strong{display:block}.persona span{color:var(--muted);font-size:12px}
.reviews,.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review,.price{padding:34px;border-radius:20px}.review blockquote{margin:22px 0 27px;color:#626b77}.stars{color:var(--coral);letter-spacing:3px}.user{display:flex;align-items:center;gap:11px}.avatar{width:45px;height:45px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,var(--coral),var(--blue));color:#fff;font-weight:900}.user span{display:block;color:#7d858f;font-size:11px}.price.featured{background:var(--dark);color:#fff;transform:translateY(-13px)}.plan{font-size:11px;font-weight:950;letter-spacing:.1em}.amount{margin:20px 0 6px;font-size:52px;font-weight:950;line-height:1}.amount small{font-size:13px}.price p{min-height:44px;color:var(--muted);font-size:13px}.price.featured p{color:#a6aeba}.price ul{padding:20px 0 0;margin:22px 0;list-style:none;border-top:1px solid var(--line)}.price li{margin:10px 0;font-size:13px}.price li::before{content:"→";margin-right:9px;color:var(--mint);font-weight:950}.price .btn{width:100%}.disclaimer{text-align:center;color:var(--muted);font-size:11px;margin-top:23px}
.faq{max-width:930px;margin:auto}.faq details{margin-bottom:11px;border-radius:16px}.faq summary{padding:22px 65px 22px 24px;position:relative;cursor:pointer;list-style:none;font-weight:900}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";position:absolute;right:13px;top:11px;width:43px;height:43px;display:grid;place-items:center;border-radius:12px;background:var(--dark);color:#fff;font-size:22px}.faq details[open] summary::after{content:"−"}.faq details p{padding:0 65px 24px 24px;margin:0;color:var(--muted)}
.cta{padding:55px 0 120px}.cta-box{padding:70px;position:relative;overflow:hidden;border-radius:26px;background:linear-gradient(115deg,#4269e4,#293fb0);color:#fff;box-shadow:var(--shadow)}.cta-box::after{content:"";position:absolute;width:330px;height:330px;right:-70px;top:-110px;border:55px solid rgba(255,255,255,.1);border-radius:50%}.cta-box h2,.cta-box p,.cta-box .actions,.cta-box .eyebrow{position:relative;z-index:2;max-width:720px}.cta-box p{color:#d8dffd}.cta-box .eyebrow{color:#fff}
.site-footer{padding:70px 0 25px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:43px}.footer-intro p{max-width:280px;margin-top:18px;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:48px;padding-top:20px;display:flex;justify-content:space-between;border-top:1px solid var(--line);color:#9298a1;font-size:11px}
.page-hero{padding:125px 0 88px}.page-box{max-width:980px;margin:auto;padding:70px;text-align:center;border-radius:24px}.page-box h1{font-size:clamp(50px,5.8vw,79px)}.page-box p{max-width:680px;margin:0 auto 30px;color:var(--muted)}.download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.download-card{padding:29px;display:grid;grid-template-columns:65px 1fr auto;gap:20px;align-items:center;border-radius:18px}.os{width:65px;height:65px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,var(--coral),var(--blue));color:#fff;font-weight:950}.download-card h2{margin:0;font-size:22px}.download-card p{margin:0;color:var(--muted);font-size:12px}.download-card .btn{min-width:155px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{padding:32px;border-radius:19px}.step b{color:var(--blue);font-size:11px}
.help-layout{display:grid;grid-template-columns:260px 1fr;gap:65px;align-items:start}.help-menu{position:sticky;top:105px;padding:20px;border-radius:19px}.help-menu strong{display:block;padding:9px 12px}.help-menu a{display:block;padding:9px 12px;border-radius:9px;color:var(--muted);font-size:13px}.help-menu a:hover{background:#edf0fb;color:var(--blue)}.help-content article{padding:0 0 56px;margin-bottom:56px;border-bottom:1px solid var(--line);scroll-margin-top:110px}.help-content h2{font-size:40px}.help-content p,.help-content li{color:var(--muted)}.notice{padding:20px 22px;border-left:4px solid var(--blue);border-radius:11px;background:#e9edf8}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media(max-width:980px){.nav-links{display:none;position:absolute;top:90px;left:22px;right:22px;padding:20px;flex-direction:column;background:#fff;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-toggle{display:block}.nav>.btn{display:none}.hero-layout,.switch-board,.news-grid,.device-grid{grid-template-columns:1fr}.hero-map{max-width:720px}.feature-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.download-grid{grid-template-columns:1fr}}@media(max-width:700px){.container{width:min(100% - 28px,1200px)}.section{padding:85px 0}.hero{padding-top:55px}h1{font-size:49px}.stats,.feature-grid,.reviews,.pricing,.steps{grid-template-columns:1fr}.price.featured{transform:none}.cta-box{padding:48px 28px}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{grid-column:span 2}.footer-bottom{flex-direction:column;gap:8px}.download-card{grid-template-columns:65px 1fr}.download-card .btn{grid-column:span 2;width:100%}.help-layout{grid-template-columns:1fr}.help-menu{position:static}}
/* Natural hero imagery */
.hero-layout{align-items:center}.hero-map{align-self:center;height:auto;margin-top:0;margin-bottom:0;transform:none;clip-path:none}.hero-map 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-grid{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}