@charset "UTF-8";
:root{--deep:#113b45;--aqua:#8ad9d4;--paper:#f8fbfa;--ink:#193036;--muted:#68797b;--line:#d7e2e0;--shell:min(1180px,calc(100% - 40px))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink)}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}.shell{width:var(--shell);margin:auto}
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.nav{height:70px;display:grid;grid-template-columns:190px 1fr auto;gap:24px;align-items:center}.brand img{max-height:36px;width:auto}.nav-center{display:flex;justify-content:center;gap:24px;font-size:12px;color:#6e7d7f}.nav-cta{background:var(--deep);color:#fff;padding:11px 17px;font-size:12px;font-weight:900}
.hero{padding:62px 0;background:linear-gradient(145deg,#e7f4f2,#f5ede4)}.hero-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center;min-height:570px}.eyebrow,.section-title span,.flow-copy>span,.exp-grid>div>span,.faq-title span,.mf-title>span{display:block;font-size:9px;letter-spacing:.16em;color:#347f82;font-weight:900;margin-bottom:13px}.hero h1{font-size:clamp(58px,7vw,94px);line-height:.9;letter-spacing:-.06em;margin:18px 0 22px}.lead{font-size:17px;line-height:1.85;color:#43595d}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.primary,.secondary{font-size:12px;font-weight:900}.primary{background:var(--deep);color:#fff;padding:14px 18px}.secondary{background:#fff;border:1px solid #bfd2d0;padding:13px 18px}
.hero-mobile{min-height:500px;position:relative}.hero-mobile figure{position:absolute;margin:0;background:#0d2d34;border:8px solid #174a54;border-radius:34px;padding:18px;display:grid;place-items:center}.hero-mobile img{max-height:380px;width:auto;object-fit:contain}.phone-left{width:42%;height:450px;left:11%;top:20px;transform:rotate(-4deg)}.phone-right{width:42%;height:420px;right:8%;bottom:8px;transform:rotate(4deg)}.hero-label{position:absolute;background:#fff;border:1px solid var(--line);padding:9px 11px;display:flex;flex-direction:column}.hero-label b{font-size:9px;color:#2f7e80}.hero-label span{font-size:8px;color:#7b8a8c;margin-top:3px}.label-a{left:2%;top:15%}.label-i{right:0;bottom:13%}
.phones{padding:90px 0;background:#fff}.section-title{max-width:850px;margin-bottom:32px}.section-title h2,.flow-copy h2,.exp-grid h2,.faq-title h2,.mf-title h2{font-size:clamp(34px,4vw,52px);line-height:1.08;letter-spacing:-.045em;margin:0}.section-title p{font-size:13px;line-height:1.8;color:var(--muted)}.phone-choice{display:grid;grid-template-columns:1fr 1fr;gap:14px}.phone-choice article{min-height:610px;padding:28px;display:flex;flex-direction:column}.android-card{background:#dff1e5}.iphone-card{background:#e8e7f5}.choice-head{display:flex;justify-content:space-between}.choice-head span{font-size:32px;font-weight:900;color:rgba(17,59,69,.25)}.choice-head b{font-size:9px;letter-spacing:.15em}.phone-choice h3{font-size:28px;margin:26px 0 10px}.phone-choice p{font-size:13px;line-height:1.8;color:#556462}.phone-choice figure{margin:20px 0;flex:1;background:#fff;padding:22px;display:grid;place-items:center}.phone-choice img{max-height:310px;width:auto;object-fit:contain}.phone-choice a{background:var(--deep);color:#fff;padding:13px 16px;font-size:11px;font-weight:900;text-align:center}
.preview{padding:92px 0;background:#f1f5f4}.preview-layout{display:grid;grid-template-columns:1.2fr .9fr;grid-template-rows:250px 250px;gap:12px}.preview-layout figure{margin:0;background:#fff;border:1px solid var(--line);padding:18px;display:flex;flex-direction:column}.preview-layout .big{grid-row:1/3}.preview-layout img{height:185px;object-fit:contain}.preview-layout .big img{height:405px}.preview-layout figcaption{margin-top:auto;border-top:1px solid var(--line);padding-top:9px}.preview-layout b{display:block;font-size:12px}.preview-layout span{font-size:10px;color:var(--muted)}
.flow{padding:92px 0;background:#fff}.flow-grid{display:grid;grid-template-columns:330px 1fr;gap:80px}.flow-copy p{font-size:13px;line-height:1.85;color:var(--muted)}.flow-list{list-style:none;margin:0;padding:0;border-top:2px solid var(--deep)}.flow-list li{display:grid;grid-template-columns:50px 1fr;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}.flow-list b{font-size:9px;color:#347f82}.flow-list h3{font-size:18px;margin:0 0 5px}.flow-list p{margin:0;font-size:12px;line-height:1.7;color:var(--muted)}
.mobile-experience{padding:92px 0;background:#113b45;color:#fff}.exp-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}.exp-grid h2{color:#fff}.exp-grid p{font-size:13px;line-height:1.85;color:#bad0d2}.exp-grid ul{list-style:none;padding:0;margin:25px 0;border-top:1px solid #355a62}.exp-grid li{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid #355a62;font-size:11px}.exp-grid li span{color:#afc6c9}.exp-grid figure{margin:0;background:#0b2a31;min-height:500px;padding:28px;display:grid;place-items:center;position:relative}.exp-grid figure img{max-height:420px;width:auto;object-fit:contain}.exp-grid figcaption{position:absolute;left:15px;bottom:12px;color:#78979b;font-size:10px}
.faq-section{padding:92px 0;background:#fff}.faq-grid{display:grid;grid-template-columns:320px 1fr;gap:85px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;padding:22px 46px 22px 0;font-weight:900;position:relative}summary::after{content:"+";position:absolute;right:4px;top:16px;color:#347f82;font-size:24px}details[open] summary::after{content:"−"}details p{margin:0 0 22px;font-size:13px;line-height:1.8;color:var(--muted)}
.mobile-footer{background:#0c2b32;color:#fff}.mf-top{min-height:210px;display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;border-bottom:1px solid #254950}.mf-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mf-actions a{background:#163d44;border:1px solid #31555c;padding:20px;min-height:110px;display:flex;flex-direction:column}.mf-actions b{font-size:11px;color:#a7e2de}.mf-actions span{font-size:10px;color:#8fa8ac;margin-top:auto}.mf-bottom{min-height:80px;display:grid;grid-template-columns:170px 1fr auto;gap:30px;align-items:center;padding-bottom:84px}.mf-bottom img{max-height:34px;width:auto}.mf-bottom span,.mf-bottom a{font-size:9px;color:#738e93}.mobile-bar{display:none}
@media(max-width:980px){.hero-grid,.flow-grid,.exp-grid,.faq-grid,.mf-top{grid-template-columns:1fr}.phone-choice{grid-template-columns:1fr}}
@media(max-width:760px){:root{--shell:min(100% - 28px,1180px)}body{padding-bottom:64px}.nav-center,.nav-cta{display:none}.nav{grid-template-columns:1fr;height:62px}.hero{padding:46px 0}.hero h1{font-size:50px}.hero-mobile{min-height:390px}.phone-left,.phone-right{height:330px}.phones,.preview,.flow,.mobile-experience,.faq-section{padding:66px 0}.phone-choice article{min-height:530px}.preview-layout{display:flex;overflow:auto}.preview-layout figure,.preview-layout .big{min-width:82%;height:380px}.preview-layout img,.preview-layout .big img{height:285px}.exp-grid figure{min-height:390px}.mf-top{padding:32px 0}.mf-actions{grid-template-columns:1fr}.mf-bottom{grid-template-columns:1fr;padding:24px 0 84px}.mobile-bar{position:fixed;left:0;right:0;bottom:0;height:62px;background:#0c2b32;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 14px;z-index:50}.mobile-bar span{display:flex;flex-direction:column}.mobile-bar b{font-size:12px}.mobile-bar small{font-size:9px;color:#7d999e}.mobile-bar a{background:var(--aqua);color:#10323a;padding:9px 16px;font-size:12px;font-weight:900}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}