@charset "UTF-8";
svg{width:20px;height:20px;flex-shrink:0}.nav-cta{border:0;box-shadow:none}
:root{--ink:#17223d;--muted:#758096;--blue:#2869ef;--pink:#f3358d;--line:#e5ebf0;--mint:#f1fbfb;--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font:15px/1.85 "Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#fff}a{color:inherit;text-decoration:none}button{font:inherit}button:disabled{opacity:1;cursor:default}svg{display:inline-block;vertical-align:middle}::selection{background:#c9e6ff}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #f3358d;outline-offset:5px}.container{width:min(1180px,calc(100% - 80px));margin:auto}.header{height:88px;position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid #edf1f4;backdrop-filter:blur(16px)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:35px}.brand{display:flex;align-items:center;gap:9px;font-size:29px;font-weight:850;letter-spacing:-1.5px;color:var(--blue);line-height:1}.brand em{font-style:normal;letter-spacing:2px;font-size:9px;border-left:1px solid #b9c5d8;margin-left:5px;padding-left:12px;color:#6f7f9b;line-height:1.5}.brand-mark{width:32px;height:32px;border:7px solid currentColor;border-radius:50%;position:relative;transform:rotate(-30deg)}.brand-mark:after{content:"";position:absolute;width:18px;height:7px;background:currentColor;right:-10px;bottom:-5px;border-radius:4px;transform:rotate(65deg)}nav{display:flex;gap:30px;align-items:center}nav a{font-size:14px;color:#59647b;position:relative}nav a.active{color:var(--blue);font-weight:700}nav a.active:after{content:"";position:absolute;width:16px;height:3px;background:var(--blue);bottom:-12px;left:calc(50% - 8px);border-radius:2px}.nav-cta{background:#ecf3ff;color:var(--blue);padding:9px 23px;border-radius:8px;font-size:13px;white-space:nowrap}.menu{display:none;border:0;background:#edf3ff;border-radius:8px;padding:8px 12px;color:var(--blue)}.hero{position:relative;overflow:hidden;background:linear-gradient(110deg,#f3fcfc 0%,#f1fbfc 55%,#eaf6ff 100%)}.hero:before{content:"";width:580px;height:580px;position:absolute;border:1px solid #dceef5;border-radius:50%;right:-250px;top:-340px}.hero-grid{min-height:658px;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:48px;padding-top:45px;padding-bottom:56px}.eyebrow{font-size:11px;letter-spacing:3px;font-weight:750;color:var(--blue);display:flex;align-items:center;gap:9px;margin-bottom:23px}.eyebrow:before{content:"";width:22px;height:2px;background:currentColor}.pill{display:inline-flex;gap:8px;align-items:center;font-size:11px;letter-spacing:.7px;border:1px solid #dce9ec;padding:4px 13px;border-radius:40px;background:#ffffffa8;color:#607586;margin-bottom:23px}.dot{width:6px;height:6px;border-radius:50%;background:#31b795;display:inline-block;box-shadow:0 0 0 4px #31b79510}h1,h2,h3,p{margin:0}h1{font-size:clamp(40px,4.4vw,60px);font-weight:800;line-height:1.3;letter-spacing:-2.5px}h1 span{color:var(--blue)}.hero-copy>p{font-size:15px;line-height:2.1;color:#748294;max-width:445px;margin:25px 0 30px}.actions{display:flex;align-items:center;gap:26px}.btn{border:0;display:inline-flex;align-items:center;justify-content:center;gap:14px;padding:14px 27px;min-height:53px;border-radius:9px;background:var(--pink);color:white;font-size:14px;font-weight:650;box-shadow:0 9px 24px #f3358d20}.btn.blue{background:var(--blue);box-shadow:none}.btn.light{background:#edf3ff;color:var(--blue);box-shadow:none}.text-link{font-size:13px;display:inline-flex;gap:18px;align-items:center;color:#4c5f79}.hero-note{display:flex;gap:22px;margin-top:28px;font-size:11px;color:#7c8c9f}.hero-note span:before{content:"✓";color:#34b797;padding-right:6px}.hero-art{height:520px;position:relative;isolation:isolate}.orbit{position:absolute;width:460px;height:460px;border:1px solid #d4e9ef;border-radius:50%;left:25px;top:45px}.orbit:after{content:"";position:absolute;inset:37px;border:1px dashed #d2e6ed;border-radius:50%}.orbit:before{content:"";position:absolute;inset:80px;border-radius:50%;background:radial-gradient(circle,#c1e2ff88,transparent 72%)}.floating{position:absolute;z-index:4;background:#fffffff2;box-shadow:0 12px 40px #2f6e9d12;border:1px solid #eef5f9;border-radius:12px;padding:11px 16px;display:flex;align-items:center;gap:12px;font-size:11px;color:#7d8da1}.floating strong{display:block;color:#263c58;font-size:12px}.floating .badge-icon{background:#e8f9f3;color:#23ac80;border-radius:10px;padding:8px;font-size:19px;line-height:1}.float-top{left:-10px;top:75px}.float-bottom{right:-8px;bottom:45px}.phone{position:absolute;width:222px;height:445px;border:7px solid #fff;border-radius:34px;box-shadow:4px 20px 50px #2864a323,0 0 0 1px #e3eaf0;background:#fff;overflow:hidden;top:48px;left:53px;transform:rotate(-8deg);z-index:2}.phone.secondary{left:265px;top:84px;transform:rotate(8deg);z-index:1;height:409px;width:200px}.phone-screen{height:100%;background:linear-gradient(165deg,#2465eb,#39b4ee);color:#fff;text-align:center;padding:11px 14px}.phone-status{display:flex;justify-content:space-between;font-size:8px;font-weight:700}.notch{width:70px;height:13px;background:#fff;border-radius:0 0 12px 12px;position:absolute;top:0;left:calc(50% - 35px)}.phone-title{font-size:12px;font-weight:700;margin-top:22px;display:flex;align-items:center;justify-content:space-between}.phone-title small{font-weight:400;font-size:12px}.map-dots{position:absolute;top:95px;left:0;right:0;height:135px;opacity:.19;background-image:radial-gradient(#fff 1.2px,transparent 1.2px);background-size:6px 6px;clip-path:polygon(5% 20%,25% 10%,37% 30%,48% 15%,78% 15%,95% 45%,73% 62%,63% 95%,47% 64%,28% 95%,20% 48%)}.power{width:108px;height:108px;border:1px solid #ffffffa6;border-radius:50%;margin:44px auto 16px;position:relative;display:grid;place-items:center;box-shadow:0 0 0 10px #ffffff08,0 0 0 22px #ffffff06}.power svg{width:43px;height:43px;stroke:#c6fcdf}.connected{font-size:9px;letter-spacing:1px}.connected i{display:inline-block;width:5px;height:5px;background:#85f3b7;border-radius:50%;margin-right:5px}.phone-caption{font-size:8px;opacity:.65;margin-top:7px}.phone-server{margin-top:29px;text-align:left;border-radius:13px;background:#fff;color:#536177;padding:12px;font-size:9px;line-height:2.5;box-shadow:0 7px 15px #1866b010}.phone-server div+div{border-top:1px solid #edf2f5}.phone-server b{color:#263a58;margin:0 5px}.phone-server span{float:right;color:#18ba89;font-size:8px}.phone-footer{margin-top:20px;font-size:8px;opacity:.7;letter-spacing:2px}.secondary .phone-screen{background:#fcfdff;color:var(--ink);padding:13px}.secondary .phone-title{margin-top:20px;margin-bottom:23px}.server-row{text-align:left;padding:12px 7px;border:1px solid #ecf0f6;border-radius:10px;margin-bottom:8px;font-size:9px;background:#fff;display:flex;gap:9px;align-items:center}.server-row:first-of-type{border-color:#d5e5ff;background:#f3f8ff}.server-row .flag{font-size:18px}.server-row b{font-size:9px}.server-row small{display:block;color:#99a5b3;font-size:7px}.server-row em{font-style:normal;font-size:7px;color:#25b48e;margin-left:auto}.art-caption{position:absolute;bottom:0;left:95px;font-size:9px;color:#95a7b8;letter-spacing:1px}.trust-strip{border-bottom:1px solid var(--line);background:white}.trust-inner{min-height:100px;display:flex;justify-content:space-between;align-items:center;gap:28px}.trust-label{font-size:11px;color:#8c97a8;border-right:1px solid #e2e8ee;padding-right:30px;line-height:1.8}.platform{display:flex;align-items:center;gap:11px;font-size:14px;font-weight:650;color:#637086}.platform svg{width:23px;height:23px}.section{padding:95px 0}.section.soft{background:#f7fafc}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:40px;gap:24px}.section-head .eyebrow{margin-bottom:13px}h2{font-size:33px;line-height:1.5;letter-spacing:-1px}h3{font-size:19px;line-height:1.6}.section-head p,.lead{color:var(--muted);font-size:13px;margin-top:12px}.section-head>p{max-width:330px}.number{font-size:11px;color:#99a6b9;letter-spacing:2px}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{border:1px solid var(--line);border-radius:var(--radius);padding:32px;position:relative;overflow:hidden;background:#fff}.feature-card .number{position:absolute;right:27px;top:32px}.icon-tile{width:49px;height:49px;display:grid;place-items:center;border-radius:14px;background:#ebf2ff;color:var(--blue);margin-bottom:26px}.icon-tile svg{width:25px;height:25px}.feature-card:nth-child(2) .icon-tile{background:#eaf8f3;color:#22a77b}.feature-card:nth-child(3) .icon-tile{background:#fff0f6;color:#ee498e}.feature-card p{font-size:13px;color:var(--muted);line-height:2;margin-top:13px}.feature-card a{font-size:11px;display:inline-flex;gap:24px;margin-top:26px;color:var(--blue)}.scene-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:80px;align-items:center}.scene-visual{min-height:385px;background:#eaf3ff;border-radius:26px;position:relative;padding:35px;overflow:hidden}.scene-visual:before{content:"";position:absolute;width:330px;height:330px;border:1px solid #d4e3fa;border-radius:50%;right:-70px;top:-100px}.window{background:white;box-shadow:0 18px 40px #346ca916;border:1px solid #e0e9f7;border-radius:14px;position:relative;z-index:1;overflow:hidden}.window-bar{padding:12px 16px;border-bottom:1px solid #edf1f7;color:#8291a8;font-size:9px;display:flex;justify-content:space-between}.traffic{letter-spacing:3px;color:#b8c9e3}.window-body{padding:23px}.window-label{font-size:10px;color:#7a8caa;margin-bottom:18px}.meeting{display:grid;grid-template-columns:1fr 1fr;gap:8px}.meeting-person{height:77px;border-radius:8px;display:grid;place-items:center;background:#eef1fd;color:#6a77bc;font-size:23px;font-weight:700;position:relative}.meeting-person:nth-child(2){background:#fceff2;color:#c38398}.meeting-person:nth-child(3){background:#eaf6f1;color:#65aa99}.meeting-person:nth-child(4){background:#edf5ff;color:#5489c2}.meeting-person span{position:absolute;left:8px;bottom:5px;font-size:7px;font-weight:400}.call-bar{display:flex;justify-content:center;gap:14px;padding-top:15px;color:#8497b4;font-size:13px}.call-bar b{background:#f15b79;color:white;padding:0 14px;border-radius:10px}.visual-tag{position:relative;z-index:2;background:white;width:220px;margin:-3px -13px -10px auto;border:1px solid #ebf0f6;border-radius:12px;box-shadow:0 15px 35px #3673b314;padding:12px 18px;font-size:11px;display:flex;align-items:center;gap:10px}.visual-tag strong{display:block;color:#18a97d;font-size:12px}.visual-tag small{font-size:9px;color:#8796aa}.tabs{display:flex;border-bottom:1px solid #e0e7ee;margin:27px 0 23px;gap:24px}.tab{border:0;background:none;color:#8b97a9;padding:0 0 12px;cursor:pointer;position:relative;font-size:13px}.tab[aria-selected=true]{color:var(--blue);font-weight:700}.tab[aria-selected=true]:after{content:"";height:2px;background:var(--blue);bottom:-1px;position:absolute;left:0;right:0}.scene-copy p{font-size:13px;color:var(--muted);line-height:2}.check-list{list-style:none;padding:0;margin:22px 0;font-size:12px;color:#66768c;display:grid;gap:10px}.check-list li:before{content:"✓";color:#2fba94;background:#eaf9f2;border-radius:50%;margin-right:10px;padding:1px 4px;font-size:9px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;counter-reset:steps}.step{position:relative;padding-top:20px;border-top:1px solid #dfe8f0}.step-num{font-size:36px;color:#ccdaf4;letter-spacing:-2px;font-weight:750;line-height:1;margin:10px 0 20px}.step h3{font-size:17px}.step p{font-size:12px;color:var(--muted);margin-top:10px}.step a{color:var(--blue)}.faq-grid{display:grid;grid-template-columns:.65fr 1fr;gap:90px}.faq-list details{border-bottom:1px solid #e2e9f0;padding:20px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:14px;font-weight:600}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";font-size:23px;color:#91a1b9;font-weight:400}.faq-list details[open] summary:after{content:"−";color:var(--blue)}.faq-list details p{font-size:12px;color:var(--muted);padding-top:15px;line-height:2}.faq-aside p{font-size:13px;color:var(--muted);margin:17px 0 28px}.cta-section{padding:0 0 80px}.cta{background:#2465e9;border-radius:25px;padding:47px 55px;color:white;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta:after{content:"";position:absolute;right:20px;top:-160px;width:380px;height:380px;border:1px solid #ffffff20;border-radius:50%;box-shadow:0 0 0 50px #ffffff05,0 0 0 100px #ffffff04;pointer-events:none}.cta .eyebrow{color:#b6d3ff;margin-bottom:9px}.cta h2{font-size:29px}.cta p{font-size:12px;color:#bbd5ff;margin-top:10px}.cta .btn{z-index:1;white-space:nowrap}.footer{border-top:1px solid var(--line);padding:55px 0 25px;background:#fbfcfe}.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;padding-bottom:45px}.footer .brand{font-size:27px}.footer p{color:#8a96a8;font-size:11px;margin-top:20px;max-width:290px}.footer h3{font-size:12px;margin-bottom:19px}.footer-links{display:grid;gap:9px;font-size:11px;color:#8793a6}.footer-links a:hover{color:var(--blue)}.footer-bottom{border-top:1px solid #e8edf3;padding-top:22px;display:flex;justify-content:space-between;color:#9aa5b5;font-size:10px;gap:20px}.page-hero{background:linear-gradient(115deg,#f0fbfa,#edf5ff);text-align:center;padding:65px 0 67px;position:relative;overflow:hidden}.page-hero .eyebrow{justify-content:center}.page-hero h1{font-size:45px;letter-spacing:-1.5px}.page-hero p{color:var(--muted);font-size:14px;max-width:590px;margin:20px auto 0}.breadcrumb{font-size:11px;color:#8f9eaf;margin-bottom:25px;display:flex;justify-content:center;gap:12px}.breadcrumb a{color:#6181b6}.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.download-card{border:1px solid var(--line);border-radius:20px;padding:30px 24px;text-align:center;background:#fff}.download-card .platform-icon{width:56px;height:56px;margin:0 auto 20px;background:#edf4ff;display:grid;place-items:center;border-radius:16px;color:var(--blue)}.platform-icon svg{width:29px;height:29px}.download-card h2{font-size:21px;letter-spacing:0}.download-card p{font-size:11px;color:var(--muted);min-height:52px;margin:12px 0 24px}.download-card .btn{font-size:12px;padding:10px 18px;width:100%;min-height:45px}.download-card .card-note{display:block;color:#99a6b7;font-size:10px;margin-top:14px}.info-note{border-left:3px solid #89b0ff;background:#f4f8ff;padding:18px 24px;font-size:12px;color:#7d8da4;margin-top:30px;border-radius:0 9px 9px 0}.wide-text{max-width:760px;margin:auto}.article-block{padding:35px 0;border-bottom:1px solid var(--line)}.article-block h2{font-size:25px;margin-bottom:18px}.article-block p{font-size:14px;color:var(--muted);margin:12px 0}.article-block ul{color:var(--muted);font-size:13px;padding-left:22px}.guide-layout{display:grid;grid-template-columns:230px 1fr;gap:70px}.guide-nav{position:sticky;top:120px;align-self:start;background:#f6f9fc;padding:24px;border-radius:18px}.guide-nav strong{font-size:12px}.guide-nav a{display:block;font-size:12px;color:#7d8da3;margin-top:15px}.guide-nav a:hover{color:var(--blue)}.feature-detail{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center;padding:55px 0;border-bottom:1px solid var(--line)}.feature-detail p{color:var(--muted);font-size:14px;margin-top:15px}.feature-detail h2{font-size:28px}.diagram{background:#f0f6ff;border-radius:23px;padding:40px;text-align:center;min-height:240px;display:flex;align-items:center;justify-content:center;gap:17px}.diagram-node{background:#fff;border:1px solid #dce8fa;padding:19px;border-radius:14px;font-size:12px;box-shadow:0 8px 20px #2869ef07}.diagram-node.main{background:var(--blue);color:white;border-color:var(--blue)}.diagram-arrow{color:#7b9ed5}.faq-page{max-width:840px;margin:auto}.faq-page h2{font-size:23px;margin:40px 0 25px}.faq-page h2:first-child{margin-top:0}.faq-page details{padding:22px 0}.link-row{display:flex;gap:20px;align-items:center;margin-top:25px}.link-row a{color:var(--blue);font-size:13px}[hidden]{display:none!important}
@media(min-width:1500px){.hero-grid{min-height:710px}.hero-art{transform:scale(1.05)}}@media(max-width:1100px){.container{width:calc(100% - 56px)}nav{gap:20px}.hero-grid{gap:12px}.hero-art{transform:scale(.85);transform-origin:center right}.hero h1{font-size:48px}.hero-note{gap:12px}.scene-layout{gap:40px}.footer-top{gap:35px}.platform-grid{gap:12px}.download-card{padding:25px 16px}}@media(max-width:800px){.header{height:73px}.brand{font-size:25px}.brand em{display:none}.nav-cta{display:none}.menu{display:block}nav{display:none;position:absolute;top:73px;left:0;right:0;background:white;padding:24px 28px;box-shadow:0 12px 20px #1e3b6010;flex-direction:column;align-items:start;gap:20px}nav.open{display:flex}nav a.active:after{display:none}.hero-grid{grid-template-columns:1fr;padding-top:43px;padding-bottom:26px;gap:20px}.hero h1{font-size:49px}.hero-copy>p{max-width:100%;font-size:14px}.hero-art{width:510px;max-width:100%;height:500px;justify-self:center;transform:scale(.9);transform-origin:top center;margin-bottom:-45px}.hero-note{gap:18px}.trust-inner{flex-wrap:wrap;justify-content:center;padding:22px 0;gap:22px 33px}.trust-label{border:0;width:100%;text-align:center;padding:0}.trust-label br{display:none}.platform{font-size:12px}.platform svg{width:19px;height:19px}.section{padding:65px 0}.section-head{align-items:start;flex-direction:column;gap:12px}.section-head>p{max-width:100%}h2{font-size:28px}.features-grid{grid-template-columns:1fr;gap:15px}.feature-card{padding:25px}.icon-tile{margin-bottom:19px}.feature-card p{margin-top:7px}.scene-layout{grid-template-columns:1fr;gap:35px}.scene-visual{min-height:345px}.steps{grid-template-columns:1fr;gap:22px}.step{padding:18px 0 0 60px}.step-num{position:absolute;left:0;top:12px;font-size:30px}.faq-grid{grid-template-columns:1fr;gap:30px}.faq-aside p{margin:12px 0 18px}.cta{padding:30px;flex-direction:column;align-items:start}.cta h2{font-size:25px}.cta-section{padding-bottom:50px}.footer-top{grid-template-columns:1fr 1fr;gap:35px 24px}.footer-about{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px}.platform-grid{grid-template-columns:1fr 1fr;gap:18px}.page-hero{padding:40px 0 45px}.page-hero h1{font-size:34px}.page-hero p{font-size:13px}.feature-detail{grid-template-columns:1fr;gap:30px;padding:35px 0}.guide-layout{grid-template-columns:1fr;gap:30px}.guide-nav{position:static;display:flex;gap:15px;flex-wrap:wrap}.guide-nav a{margin:0}.guide-nav strong{width:100%}.diagram{padding:26px;gap:12px}.diagram-node{padding:16px;font-size:11px}}
@media(max-width:440px){.container{width:calc(100% - 36px)}.hero h1{font-size:41px;letter-spacing:-2px}.hero-art{transform:scale(.72);width:485px;max-width:none;margin-left:-50px;margin-right:-50px;margin-bottom:-125px}.hero-note{font-size:10px;gap:12px}.actions{gap:20px}.btn{padding:13px 21px}.trust-inner{gap:20px}.platform{gap:6px}.platform-grid{grid-template-columns:1fr}.download-card{padding:28px}.download-card p{min-height:auto}.tabs{gap:18px}.tab{font-size:12px}.scene-visual{padding:23px}.diagram{padding:20px 12px;gap:8px}.diagram-node{padding:14px 11px}.page-hero h1{font-size:30px}.footer-top{gap:25px}.footer-bottom{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}