:root{--blue:#0869ed;--deep:#064fc9;--ink:#13213b;--muted:#6d7c93;--light:#f6faff;--line:#dce9f9;--shell:1350px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;color:var(--ink);background:var(--light);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}body.menu-open,body.modal-open{overflow:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}button{font:inherit}.site-header{position:absolute;z-index:30;top:0;left:0;width:100%;height:84px;color:#fff}.nav-wrap{display:flex;width:min(calc(100% - 80px),var(--shell));height:100%;margin:auto;align-items:center}.brand{display:flex;align-items:center;gap:13px;font-size:27px;font-weight:800;letter-spacing:.08em}.brand img{width:48px;height:48px;border-radius:13px;box-shadow:0 10px 24px rgba(0,28,98,.24)}.desktop-nav{display:flex;margin:auto;align-self:stretch;gap:52px}.desktop-nav a{position:relative;display:flex;align-items:center;font-size:15px;opacity:.88}.desktop-nav a::after{position:absolute;bottom:9px;left:50%;width:28px;height:2px;border-radius:3px;background:#fff;content:"";opacity:0;transform:translateX(-50%)}.desktop-nav a:hover,.desktop-nav a.active{opacity:1}.desktop-nav a.active::after{opacity:1}.header-download{display:grid;min-width:112px;height:42px;place-items:center;border-radius:25px;color:#0862df;background:#fff;font-size:14px;font-weight:700;box-shadow:0 10px 28px rgba(0,38,120,.2)}.menu-button{display:none;width:44px;height:44px;margin-left:auto;padding:7px;border:0;background:none}.menu-button span{display:block;height:3px;margin:6px 0;border-radius:3px;background:#fff;transition:.2s}.menu-button[aria-expanded=true] span:first-child{transform:translateY(9px) rotate(45deg)}.menu-button[aria-expanded=true] span:nth-child(2){opacity:0}.menu-button[aria-expanded=true] span:last-child{transform:translateY(-9px) rotate(-45deg)}.mobile-nav{position:absolute;top:72px;right:18px;left:18px;display:none;padding:10px;border:1px solid rgba(255,255,255,.25);border-radius:18px;background:rgba(4,60,166,.96);box-shadow:0 20px 50px rgba(0,33,96,.3);opacity:0;transform:translateY(-8px);transition:.2s}.mobile-nav.open{opacity:1;transform:none}.mobile-nav a{display:block;padding:12px 14px;border-radius:10px}.mobile-nav a:hover{background:rgba(255,255,255,.12)}.hero{position:relative;min-height:735px;padding-top:84px;overflow:hidden;color:#fff;background:radial-gradient(circle at 48% 38%,#148dff 0,#0869ec 35%,#0455d3 66%,#0449b9 100%)}.hero::before{position:absolute;right:-9%;bottom:-210px;width:75%;height:420px;border:1px solid rgba(255,255,255,.13);border-radius:50%;content:"";transform:rotate(-8deg);box-shadow:0 -28px 80px rgba(95,197,255,.22)}.hero-halo{position:absolute;border:1px solid rgba(255,255,255,.1);border-radius:50%;filter:blur(.2px)}.hero-halo-one{right:-11%;bottom:-130px;width:63%;height:450px;transform:rotate(-9deg)}.hero-halo-two{right:3%;bottom:-210px;width:48%;height:410px;transform:rotate(-5deg)}.hero-inner{position:relative;z-index:2;display:grid;width:min(calc(100% - 80px),var(--shell));min-height:590px;margin:auto;grid-template-columns:.82fr 1.18fr;align-items:center;gap:10px}.hero-copy{padding-bottom:20px}.hero-kicker{margin:0 0 16px;color:#bfe0ff;font-size:14px;letter-spacing:.18em}.hero h1{margin:0 0 24px;font-size:clamp(48px,4.4vw,66px);line-height:1.28;letter-spacing:.06em}.hero-text{margin:0;color:#e1efff;font-size:17px;line-height:1.95}.hero-actions{display:flex;margin-top:31px;gap:16px}.download-button{display:flex;min-width:196px;height:58px;padding:0 24px;align-items:center;justify-content:center;gap:11px;border:1.5px solid rgba(255,255,255,.9);border-radius:31px;font-size:16px;transition:.2s}.download-button svg{width:25px;height:25px;fill:currentColor;stroke:currentColor}.download-button.ios{color:#0c1831;background:#fff;box-shadow:0 13px 30px rgba(2,36,111,.22)}.download-button.android{background:rgba(17,112,244,.2)}.download-button:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(0,36,120,.28)}.system-note{margin:16px 0 0;color:#b9dcff;font-size:12px}.phone-stage{position:relative;height:590px;margin-top:22px}.phone{position:absolute;bottom:2px;overflow:hidden;border:6px solid #202126;border-radius:38px;background:#fff;box-shadow:0 26px 54px rgba(0,31,102,.32),0 0 0 1px rgba(255,255,255,.3);transform-origin:bottom center}.phone img{width:100%;height:100%;object-fit:cover}.phone .speaker{position:absolute;z-index:3;top:6px;left:50%;width:37%;height:19px;border-radius:15px;background:#030303;transform:translateX(-50%)}.phone-a{z-index:1;left:1%;width:25%;height:480px;transform:rotate(-3deg)}.phone-b{z-index:4;left:27%;width:28%;height:545px}.phone-c{z-index:3;left:53%;width:25.5%;height:495px;transform:rotate(1deg)}.phone-d{z-index:2;right:0;width:24%;height:465px;transform:rotate(3deg)}.hero-wave{position:absolute;z-index:1;right:0;bottom:-1px;left:0;height:120px}.hero-wave svg{width:100%;height:100%}.content-wrap{width:min(calc(100% - 80px),var(--shell));margin-inline:auto}.feature-section{position:relative;padding:26px 0 80px;background:#f6faff}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;border:1px solid #dce9f9;border-radius:19px;background:#fff;box-shadow:0 17px 54px rgba(39,99,169,.08)}.feature-card{display:grid;min-height:118px;padding:25px 24px;grid-template-columns:58px 1fr;align-items:center;gap:17px;border-right:1px solid #e8f0fa;border-bottom:1px solid #e8f0fa}.feature-card:nth-child(3n){border-right:0}.feature-card:nth-child(n+4){border-bottom:0}.feature-icon{display:grid;width:55px;height:55px;place-items:center;border-radius:16px;color:#fff;background:linear-gradient(145deg,#2b8dff,#0864ea);box-shadow:0 11px 24px rgba(15,109,238,.24)}.feature-icon svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.feature-card h2{margin:0 0 7px;font-size:16px}.feature-card p{margin:0;color:#7b889c;font-size:12px;line-height:1.65}.showcase-section{padding:100px 0;background:#fff}.showcase-grid{display:grid;min-height:560px;padding:58px 7%;overflow:hidden;grid-template-columns:.76fr 1.24fr;align-items:center;gap:70px;border:1px solid #dce9f9;border-radius:30px;background:linear-gradient(135deg,#f8fbff,#edf6ff);box-shadow:0 30px 70px rgba(42,101,164,.08)}.section-tag,.section-heading span{color:#0870ef;font-size:13px;font-weight:800;letter-spacing:.16em}.showcase-copy h2{margin:19px 0 18px;font-size:45px;line-height:1.35}.showcase-copy p{margin:0;color:#66768e;font-size:15px;line-height:1.9}.showcase-copy ul{display:grid;margin:27px 0 0;padding:0;gap:13px;list-style:none}.showcase-copy li{position:relative;padding-left:27px;font-size:14px}.showcase-copy li::before{position:absolute;top:2px;left:0;display:grid;width:18px;height:18px;place-items:center;border-radius:50%;color:#fff;background:#1680f8;content:"✓";font-size:11px}.showcase-phones{position:relative;height:440px}.show-phone{position:absolute;bottom:-120px;width:255px;overflow:hidden;border:7px solid #1f2228;border-radius:42px;background:#fff;box-shadow:0 26px 58px rgba(25,71,122,.2)}.show-phone img{width:100%}.show-one{left:12%;transform:rotate(-6deg)}.show-two{right:9%;bottom:-95px;transform:rotate(5deg)}.info-section{padding:100px 0;background:#f6faff}.section-heading{max-width:700px;margin:0 auto 45px;text-align:center}.section-heading h2{margin:14px 0 10px;font-size:38px}.section-heading p{margin:0;color:#75839a;font-size:14px}.faq-grid{display:grid;max-width:960px;margin:auto;gap:12px}.faq-grid details{padding:0 25px;border:1px solid #dce8f7;border-radius:15px;background:#fff;box-shadow:0 10px 30px rgba(38,89,150,.05)}.faq-grid summary{padding:20px 0;font-weight:700;cursor:pointer}.faq-grid p{margin:0;padding:0 0 21px;color:#748198;font-size:14px;line-height:1.8}.about-section{padding:0 0 100px;background:#f6faff}.about-card{display:flex;min-height:280px;padding:55px 7%;align-items:center;justify-content:space-between;border-radius:27px;color:#fff;background:linear-gradient(125deg,#075ddd,#0d7df7 64%,#53aaff);box-shadow:0 24px 70px rgba(13,104,225,.2)}.about-card h2{margin:16px 0 12px;font-size:37px}.about-card p{max-width:650px;margin:0;color:#d8ebff;line-height:1.8}.about-card img{width:150px;height:150px;border-radius:35px;box-shadow:0 24px 50px rgba(0,35,114,.26);transform:rotate(5deg)}.download-section{padding:0 0 54px;background:#f6faff}.download-panel{display:flex;min-height:130px;padding:27px 45px;align-items:center;gap:35px;border:1px solid #b9dafd;border-radius:18px;background:linear-gradient(110deg,#f9fcff,#edf7ff)}.download-title{margin-right:auto}.download-title h2{margin:0 0 8px;color:#0767e5;font-size:26px}.download-title p{margin:0;color:#6d7e96;font-size:13px}.download-actions{display:flex;gap:15px}.mini-download{display:flex;min-width:175px;height:51px;padding:0 20px;align-items:center;justify-content:center;gap:9px;border:1px solid #dbe7f5;border-radius:27px;background:#fff;font-size:14px;box-shadow:0 10px 26px rgba(37,93,155,.08)}.mini-download.primary{border-color:#1377f2;color:#fff;background:#1479f6}.apple-mark,.android-mark{font-size:19px}.qr-box{display:flex;align-items:center;gap:12px;color:#354258;font-size:13px}.qr-box img{width:68px;height:68px;padding:5px;border-radius:8px;background:#fff}.qr-box small{color:#8a96a7}.site-footer{padding:0 0 26px;background:#f6faff}.footer-row{display:flex;padding-top:20px;align-items:center;border-top:1px solid #dce7f3;gap:30px}.footer-brand{display:flex;align-items:center;gap:11px}.footer-brand img{width:42px;height:42px;border-radius:11px}.footer-brand span{display:grid;gap:2px}.footer-brand strong{font-size:17px}.footer-brand small{color:#8a95a5;font-size:9px}.footer-row nav{display:flex;margin:auto;gap:33px}.footer-row nav a{color:#637087;font-size:12px}.footer-row>p{color:#8995a5;font-size:11px}.wechat-tip{position:fixed;z-index:100;inset:0;display:grid;padding:20px;place-items:center;background:rgba(7,24,54,.62);opacity:0;pointer-events:none;transition:.2s}.wechat-tip.open{opacity:1;pointer-events:auto}.wechat-tip>div{position:relative;width:min(420px,100%);padding:35px;border-radius:20px;background:#fff;box-shadow:0 30px 80px rgba(0,0,0,.25)}.wechat-tip button{position:absolute;top:10px;right:13px;border:0;background:none;font-size:26px}.wechat-tip h2{margin:0 0 13px;font-size:22px}.wechat-tip p{margin:0;color:#6e7b8f;line-height:1.8}.close-tip{display:grid;height:45px;margin-top:22px;place-items:center;border-radius:12px;color:#fff;background:#0874f1}
@media(max-width:1120px){.desktop-nav{gap:27px}.hero-inner{grid-template-columns:.72fr 1.28fr}.hero-actions{flex-direction:column;align-items:flex-start}.download-button{width:220px}.phone-stage{transform:scale(.9);transform-origin:center right}.download-panel{flex-wrap:wrap}.qr-box{margin-left:auto}}
@media(max-width:860px){:root{--header:72px}.site-header{height:72px}.nav-wrap,.content-wrap{width:calc(100% - 36px)}.desktop-nav,.header-download{display:none}.menu-button{display:block}.mobile-nav{display:block;pointer-events:none}.mobile-nav.open{pointer-events:auto}.brand{font-size:22px}.brand img{width:44px;height:44px}.hero{min-height:1040px;padding-top:72px}.hero-inner{display:block;width:calc(100% - 36px);min-height:0;padding-top:55px;text-align:center}.hero-copy{position:relative;z-index:4}.hero-kicker{display:none}.hero h1{font-size:54px;line-height:1.35}.hero-text{font-size:16px}.hero-actions{flex-direction:row;align-items:center;justify-content:center}.download-button{width:auto;min-width:230px}.system-note{display:none}.phone-stage{width:min(690px,100%);height:520px;margin:40px auto 0;transform:none}.phone-a{left:1%;height:405px}.phone-b{left:25%;height:460px}.phone-c{left:51%;height:410px}.phone-d{height:390px}.hero-wave{height:95px}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-card:nth-child(3n){border-right:1px solid #e8f0fa}.feature-card:nth-child(2n){border-right:0}.feature-card:nth-child(n+4){border-bottom:1px solid #e8f0fa}.feature-card:nth-child(n+5){border-bottom:0}.showcase-grid{grid-template-columns:1fr;padding:48px;gap:20px}.showcase-phones{height:420px}.download-panel{padding:27px}.download-title{width:100%;text-align:center}.download-actions{margin:auto}.qr-box{display:none}.footer-row{flex-wrap:wrap}.footer-row nav{order:3;width:100%;justify-content:center}.footer-row>p{margin-left:auto}}
@media(max-width:600px){html{scroll-padding-top:70px}.nav-wrap,.content-wrap{width:calc(100% - 30px)}.hero{min-height:865px}.hero-inner{width:calc(100% - 26px);padding-top:40px}.hero h1{margin-bottom:18px;font-size:clamp(29px,8.8vw,35px);letter-spacing:.01em;white-space:nowrap}.hero h1 br{display:none}.hero-text{font-size:14px;line-height:1.85}.hero-text br{display:none}.hero-actions{margin-top:26px;gap:10px}.download-button{min-width:0;width:calc(50% - 5px);height:52px;padding:0 9px;gap:7px;font-size:13px}.download-button svg{width:22px;height:22px}.phone-stage{height:430px;margin-top:33px}.phone{border-width:4px;border-radius:27px}.phone .speaker{top:4px;height:13px}.phone-a{left:0;width:27%;height:320px}.phone-b{left:24%;width:29%;height:365px}.phone-c{left:50%;width:27%;height:322px}.phone-d{right:0;width:26%;height:305px}.hero-wave{height:65px}.feature-section{padding:18px 0 58px}.feature-grid{grid-template-columns:1fr 1fr;border-radius:16px}.feature-card{display:grid;min-height:145px;padding:18px 14px;grid-template-columns:48px 1fr;gap:12px}.feature-icon{width:46px;height:46px;border-radius:13px}.feature-icon svg{width:24px;height:24px}.feature-card h2{font-size:14px}.feature-card p{font-size:10px;line-height:1.55}.showcase-section{padding:62px 0}.showcase-grid{min-height:0;padding:34px 23px;border-radius:22px}.showcase-copy h2{font-size:32px}.showcase-copy p{font-size:13px}.showcase-phones{height:310px}.show-phone{bottom:-90px;width:45%;border-width:5px;border-radius:28px}.show-two{bottom:-75px}.info-section{padding:65px 0}.section-heading{margin-bottom:30px;text-align:left}.section-heading h2{font-size:28px}.faq-grid details{padding:0 18px}.faq-grid summary{font-size:14px}.about-section{padding-bottom:65px}.about-card{min-height:0;padding:35px 25px;border-radius:22px}.about-card h2{font-size:27px}.about-card p{font-size:13px}.about-card img{display:none}.download-section{padding-bottom:35px}.download-panel{display:block;padding:30px 18px}.download-title h2{font-size:23px}.download-actions{margin-top:23px;gap:9px}.mini-download{min-width:0;width:50%;height:48px;padding:0 8px;font-size:12px}.footer-row{justify-content:center;text-align:center}.footer-brand{margin:auto}.footer-row nav{gap:14px}.footer-row>p{width:100%;margin:0}.footer-row nav a:nth-last-child(-n+2){display:none}}
@media(max-width:390px){.hero{min-height:815px}.hero h1{font-size:36px}.hero-text{font-size:13px}.phone-stage{height:390px}.phone-a{height:286px}.phone-b{height:325px}.phone-c{height:288px}.phone-d{height:272px}.feature-card{grid-template-columns:1fr;text-align:center}.feature-icon{margin:auto}.showcase-phones{height:270px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important}}

/* Keep every real-device screenshot at its original 720 × 1558 proportion. */
.phone{height:auto!important;aspect-ratio:720/1558}
.phone-a{left:0;width:28%}
.phone-b{left:24%;width:31%}
.phone-c{left:50%;width:28%}
.phone-d{right:0;width:27%}
@media(max-width:860px){.phone-stage{height:500px}.phone-a{left:0;width:28%}.phone-b{left:24%;width:31%}.phone-c{left:50%;width:28%}.phone-d{right:0;width:27%}}
@media(max-width:600px){.hero{min-height:765px}.phone-stage{height:330px}.phone-a{left:-3%;width:31%}.phone-b{left:22%;width:34%}.phone-c{left:49%;width:31%}.phone-d{right:-3%;width:29%}}
@media(max-width:390px){.hero{min-height:735px}.phone-stage{height:300px}}