:root{color-scheme:dark;--bg:#101b2e;--panel:#17253a;--mint:#9ce7d1;--text:#edf5f7;--muted:#a0b2c7;--line:#ffffff1a}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:20px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mint);outline-offset:5px}.shell{max-width:1216px;margin:auto;padding:0 42px}.skip{position:fixed;top:10px;left:10px;padding:10px 16px;background:var(--mint);color:var(--bg);z-index:10;transform:translateY(-160%)}.skip:focus{transform:none}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:106px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:11px;align-items:center;font-size:22px;letter-spacing:3px;font-weight:750}.brand-mark{color:var(--mint);font-size:42px;font-weight:400;line-height:1}.brand small{font-size:12px;font-weight:500;letter-spacing:1px;margin-left:10px;color:var(--muted)}nav{display:flex;gap:26px}nav a{display:flex;align-items:center;min-height:44px;font-size:13px;color:#c2d0df}nav a:hover,.text-link:hover{color:var(--mint)}.hero{position:relative;display:grid;grid-template-columns:1.17fr 1fr;align-items:center;gap:28px;padding:84px 0 82px}.eyebrow,.section-number{font-size:10px;letter-spacing:2.2px;font-weight:650;color:var(--muted)}.eyebrow{margin:0 0 24px;color:var(--mint)}h1{font-size:68px;line-height:1.12;letter-spacing:-3px;margin:0;font-weight:650}h1>span{display:block;font-size:27px;line-height:1.4;letter-spacing:0;margin-top:18px;color:#d5e3ea;font-weight:450}.lead{font-size:16px;color:var(--muted);margin:23px 0 22px;line-height:1.95}.hero-links{display:flex;flex-wrap:wrap;gap:22px}.text-link{display:inline-flex;gap:18px;align-items:center;min-height:44px;color:var(--mint);font-size:14px}.muted-link{color:#c0cfdb}.hero-note{font-size:11px;letter-spacing:2px;color:#879bb3;margin:25px 0 0}.connection-art{height:352px;position:relative;min-width:0;overflow:hidden;overflow:clip}.art-orbit{position:absolute;inset:18px 2px 0 3px;border:1px solid #8dceb31a;border-radius:50%;transform:rotate(-14deg)}.art-orbit:before{content:"";position:absolute;inset:30px -17px;border:1px solid #8dceb312;border-radius:50%}.desktop-device{position:absolute;top:37px;left:0;right:56px;border:1px solid #59756d;border-radius:15px;background:linear-gradient(140deg,#233c44,#162539 75%);box-shadow:0 25px 70px #0003;overflow:hidden;transform:rotate(-4deg)}.device-top{height:39px;border-bottom:1px solid #c7f6e71c;display:flex;justify-content:space-between;align-items:center;padding:0 15px}.mini-brand{font-size:11px;letter-spacing:2px;color:#bae4d9}.tiny-dot{width:6px;height:6px;border-radius:50%;background:#9ce7d1}.device-content{padding:25px 24px 23px}.device-caption{display:block;color:#a5b9c8;font-size:10px;letter-spacing:1px}.device-content strong{display:block;font-size:21px;font-weight:450;margin-top:5px}.device-sub{font-size:10px;color:#8aa4b5}.wave-lines{display:flex;gap:8px;align-items:end;height:63px;margin:10px 0 18px}.wave-lines i{display:block;width:19px;height:38%;background:#98dac81c;border-top:1px solid #a1e6d177;border-radius:4px 4px 0 0}.wave-lines i:nth-child(2n){height:58%}.wave-lines i:nth-child(3n){height:78%}.wave-lines i:nth-child(4n){height:100%}.phone-device{position:absolute;right:1px;top:105px;width:145px;min-height:240px;border:4px solid #55707b;border-radius:27px;background:#122337;box-shadow:0 18px 48px #0004;text-align:center;padding:25px 9px 15px;transform:rotate(6deg)}.phone-notch{position:absolute;top:6px;left:50%;width:41px;height:5px;border-radius:5px;background:#415463;transform:translateX(-50%)}.phone-symbol{display:block;font-size:51px;line-height:1.3;color:var(--mint);margin-top:10px}.phone-device strong{display:block;font-size:15px;font-weight:500}.phone-sub{display:block;font-size:10px;color:#98aebe;line-height:1.8;margin:7px 0 15px}.phone-tag{border:1px solid #98dac82b;background:#98dac80a;color:var(--mint);font-size:9px;padding:4px 10px;border-radius:20px}.pair-label{position:absolute;left:36px;bottom:0;font-size:10px;letter-spacing:1px;color:#9db7c4}.pair-label span{color:var(--mint);font-size:22px;vertical-align:middle;margin-right:10px}.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}.access-grid article{min-width:0;padding:31px 31px 27px;border:1px solid var(--line);border-radius:22px;scroll-margin-top:20px}.download-panel{background:var(--mint);color:#173a36;border-color:transparent!important}.mobile-panel{background:var(--panel)}.panel-heading{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-bottom:25px}.download-panel .section-number{color:#3e756a}.status{font-size:10px;letter-spacing:.3px;padding:4px 9px;border:1px solid #fff2;border-radius:20px;white-space:nowrap;color:#c1cedb}.download-panel .status{border-color:#173a3633;color:#315f55}.status.ready{background:#9ce7d11a;color:var(--mint);border-color:#9ce7d140}.download-panel .status.ready{background:#173a36;color:var(--mint)}h2{font-size:25px;line-height:1.4;font-weight:550;letter-spacing:-.5px;margin:0 0 14px}.panel-copy{font-size:13px;color:var(--muted);margin:0 0 22px;line-height:1.9}.download-panel .panel-copy{color:#35665d}.release-line{display:flex;flex-wrap:wrap;align-items:center;gap:7px 12px;font-size:11px;color:#427268;margin:20px 0 16px}.release-line strong{font-size:22px;letter-spacing:-.5px;color:#173a36;font-weight:600}.release-line span+span:before{content:"·";margin-right:12px}.download-button{display:flex;justify-content:space-between;align-items:center;gap:15px;min-height:57px;width:100%;padding:14px 18px;border:1px solid #1b4540;border-radius:12px;color:#ddfaef;background:#173e37;text-align:left;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.download-button:hover{background:#24594f}.download-button:disabled{color:#406c61;border-color:#173a3626;background:#173a3610;cursor:default}.download-button span{font-size:20px;font-weight:400}.download-state{font-size:11px;color:#446d63;margin:11px 0 22px;line-height:1.8}.download-notes{padding-top:17px;border-top:1px solid #173a3626;display:grid;gap:7px}.download-notes p{margin:0;font-size:12px;color:#2f6358}.download-notes span{margin-right:8px}.small-print{font-size:10px;color:#47746a;margin:20px 0 0;line-height:1.9}code{font:inherit;overflow-wrap:anywhere}.mobile-state{font-size:11px;color:#c2d4df;border-left:2px solid #6a8899;padding-left:11px;margin:-6px 0 23px;line-height:1.8}.pair-steps{padding:0;margin:0;list-style:none;display:grid;gap:20px}.pair-steps li{display:flex;align-items:flex-start;gap:13px}.pair-steps li>span{display:flex;align-items:center;justify-content:center;flex:0 0 26px;height:26px;border:1px solid #9ce7d14a;border-radius:50%;font-size:11px;color:var(--mint)}.pair-steps b{font-size:13px;font-weight:550}.pair-steps p{font-size:11px;line-height:1.8;color:var(--muted);margin:4px 0 0}.privacy-note{border:1px solid #fff1;background:#0c182645;border-radius:12px;padding:14px 16px;margin-top:25px}.privacy-note b{font-size:11px;color:#c9e6df;font-weight:500}.privacy-note p{font-size:10px;color:#92a9bd;line-height:1.9;margin:5px 0 0}.guide{display:grid;grid-template-columns:.85fr 1.5fr;gap:70px;margin:72px 0 62px}.guide-heading .section-number{font-size:9px;letter-spacing:1.6px}.guide-heading h2{font-size:23px;margin:14px 0}.guide-heading p{font-size:12px;color:var(--muted)}details{border-bottom:1px solid var(--line)}details:first-child{border-top:1px solid var(--line)}summary{list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:64px;padding:17px 0;font-size:13px;cursor:pointer;color:#dae6ef}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-size:21px;color:var(--mint);font-weight:300}details[open] summary:after{content:"−"}details p{font-size:12px;color:var(--muted);line-height:1.9;margin:0 25px 16px 0}footer{display:flex;align-items:center;gap:25px;padding:29px 0 38px;border-top:1px solid var(--line)}.footer-brand{font-size:21px;letter-spacing:2px;color:var(--mint);font-weight:650;white-space:nowrap}footer p{font-size:10px;line-height:1.9;color:#91a3b9;margin:0}footer>span{margin-left:auto;font-size:10px;color:#8398ae;letter-spacing:1px;white-space:nowrap}
@media(min-width:1500px){.hero{padding-top:100px;padding-bottom:100px}}@media(max-width:1000px){.shell{padding:0 28px}h1{font-size:58px}.hero{gap:20px;padding:65px 0}.lead{font-size:14px}.desktop-break{display:none}.desktop-device{right:35px}.device-content{padding:25px 18px}.device-content strong{font-size:18px}.phone-device{width:125px;min-height:228px;right:-3px}.pair-label{left:10px}.access-grid article{padding:26px}.panel-heading{align-items:flex-start;flex-wrap:wrap;gap:8px}.guide{gap:34px}}@media(max-width:720px){.shell{padding:0 max(20px,env(safe-area-inset-right)) 0 max(20px,env(safe-area-inset-left))}.topbar{min-height:85px;gap:12px}.brand{font-size:19px;gap:8px}.brand-mark{font-size:36px}.brand small{display:block;font-size:9px;letter-spacing:2px;margin:0;color:#b1c2d3}.topbar nav{gap:16px}.topbar nav a{font-size:11px}.hero{display:block;padding:44px 0 36px}.eyebrow{font-size:9px;margin-bottom:21px}h1{font-size:52px;letter-spacing:-2px}h1>span{font-size:23px;margin-top:14px}.lead{font-size:14px;margin:20px 0 16px}.hero-links{gap:22px}.text-link{font-size:12px;gap:12px}.hero-note{margin-top:16px;font-size:9px}.connection-art{height:288px;max-width:380px;margin:25px auto 0}.desktop-device{top:25px;left:12px;right:53px}.device-content{padding:17px 20px}.device-content strong{font-size:19px}.wave-lines{height:46px;margin:8px 0 12px}.phone-device{top:75px;right:13px;width:125px;min-height:207px;padding-top:20px}.phone-symbol{font-size:42px;margin-top:5px}.phone-sub{margin-bottom:11px}.pair-label{left:24px;bottom:-2px;font-size:9px}.access-grid{grid-template-columns:1fr;gap:18px}.access-grid article{padding:25px 23px;border-radius:19px}.panel-heading{margin-bottom:22px;flex-wrap:nowrap;align-items:center}.section-number{font-size:9px;letter-spacing:1.4px}h2{font-size:23px}.panel-copy{font-size:13px}.download-notes{gap:9px}.small-print{font-size:11px}.download-state{font-size:12px}.pair-steps b{font-size:14px}.pair-steps p{font-size:12px}.privacy-note b,.privacy-note p{font-size:11px}.mobile-state{font-size:12px}.guide{display:block;margin:44px 0 35px}.guide-heading{margin-bottom:22px}.guide-heading h2{font-size:22px}.guide-heading p{margin-bottom:0}.questions summary{min-height:61px;font-size:13px}.questions p{font-size:12px}footer{gap:17px;flex-wrap:wrap;padding-bottom:calc(30px + env(safe-area-inset-bottom))}footer>span{width:100%;margin-left:0}.skip{font-size:14px}.download-button{min-height:57px}}@media(max-width:360px){.shell{padding-left:16px;padding-right:16px}.topbar nav{gap:11px}.brand{letter-spacing:1px}h1{font-size:45px}h1>span{font-size:21px}.lead{font-size:13px}.hero-links{gap:18px}.access-grid article{padding:22px 19px}.status{font-size:9px;padding:4px 7px}.section-number{letter-spacing:1px}h2{font-size:21px}.panel-copy{font-size:12px}.desktop-device{left:5px;right:38px}.phone-device{right:5px;width:115px}.pair-label{left:12px}.connection-art{height:280px}.device-content strong{font-size:17px}.release-line{column-gap:9px}.release-line span+span:before{margin-right:9px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.brand-mark{width:45px;height:45px;object-fit:contain;border-radius:11px}