:root{--blue:#1769e0;--ink:#111317;--muted:#6c7078;--paper:#f4f5f7;--line:#dde0e5;--white:#fff;--green:#20ad6b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC",sans-serif;-webkit-font-smoothing:antialiased}.download-header{height:70px;padding:0 6vw;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(14px)}.download-brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.download-brand img{width:110px;height:42px;object-fit:contain}.download-wordmark{font:800 28px Arial,sans-serif;color:var(--blue);letter-spacing:-.055em}.download-brand span{font-size:9px;color:var(--muted);letter-spacing:.1em;border-left:1px solid var(--line);padding-left:12px}.download-header nav{display:flex;gap:30px}.download-header nav a{color:inherit;text-decoration:none;font-size:11px;font-weight:600}.download-language{justify-self:end;border:1px solid var(--line);background:white;height:36px;border-radius:5px;padding:0 13px;font:600 10px "DM Mono";cursor:pointer}.download-hero{padding:80px 7vw 55px;text-align:center;max-width:1100px;margin:auto}.hero-badge{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line);background:white;border-radius:30px;padding:8px 13px;font-size:10px;color:var(--muted)}.hero-badge>span:first-child{width:7px;height:7px;background:var(--green);border-radius:50%;box-shadow:0 0 0 4px rgba(32,173,107,.12)}.download-hero h1{font-size:clamp(2.8rem,5.5vw,6rem);line-height:1.03;letter-spacing:-.06em;margin:25px 0 20px}.download-hero p{max-width:620px;margin:auto;color:var(--muted);font-size:13px;line-height:1.8}.device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0 5vw 90px;max-width:1450px;margin:auto}.device-card{background:white;border:1px solid var(--line);min-height:475px;padding:23px;display:flex;flex-direction:column;transition:.25s;position:relative;overflow:hidden}.device-card:hover{transform:translateY(-6px);box-shadow:0 20px 55px rgba(18,25,39,.1);border-color:#c7cbd2}.device-card:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;top:80px;left:50%;transform:translateX(-50%);background:#eef1f7}.windows:before{background:#e8f0ff}.mac:before{background:#eeeeef}.android:before{background:#e8f8ef}.ios:before{background:#f0ebff}.device-top{display:flex;justify-content:space-between;align-items:center}.device-number{font:500 9px "DM Mono";color:#9b9ea5}.status{display:flex;align-items:center;gap:6px;font-size:8px;color:var(--muted);letter-spacing:.06em}.status i{width:6px;height:6px;border-radius:50%;background:var(--green)}.device-icon{width:86px;height:86px;display:grid;place-items:center;margin:63px auto 72px;position:relative;z-index:2}.device-icon svg{width:58px;height:58px;fill:var(--blue)}.apple svg{fill:var(--ink);width:54px}.android .device-icon svg{fill:#24a65a}.mobile svg{fill:#6f48d8;width:50px}.device-card h2{font-size:22px;margin:0 0 10px}.device-card p{font-size:11px;line-height:1.7;color:var(--muted);margin:0 0 22px}.download-button{margin-top:auto;background:var(--ink);color:white;padding:14px 15px;text-decoration:none;display:flex;justify-content:space-between;align-items:center;font-size:11px;border-radius:4px}.download-button:hover{background:var(--blue)}.download-button b{font-size:16px}.download-help{margin:0 5vw 80px;background:var(--ink);color:white;padding:55px 6vw;display:flex;justify-content:space-between;align-items:end}.download-help span{font:500 9px "DM Mono";color:#8e929a;letter-spacing:.12em}.download-help h2{font-size:clamp(1.8rem,3vw,3.4rem);letter-spacing:-.04em;margin:12px 0 0}.download-help a{color:white;text-decoration:none;border-bottom:1px solid white;padding-bottom:7px;font-size:11px;white-space:nowrap}footer{border-top:1px solid var(--line);padding:25px 6vw;display:flex;justify-content:space-between;color:#858991;font:400 9px "DM Mono"}footer p{margin:0}@media(max-width:1000px){.device-grid{grid-template-columns:1fr 1fr}.download-header nav{display:none}.download-header{grid-template-columns:1fr auto}.download-brand span{display:none}.device-card{min-height:450px}}@media(max-width:580px){.download-header{height:60px;padding:0 18px}.download-wordmark{font-size:23px}.download-hero{padding:55px 20px 40px}.download-hero h1{font-size:12vw}.device-grid{grid-template-columns:1fr;padding:0 15px 60px}.device-card{min-height:420px}.device-icon{margin:45px auto 55px}.download-help{margin:0 15px 55px;padding:38px 25px;display:block}.download-help a{display:inline-block;margin-top:35px}footer{display:block;padding:22px 18px}footer p{margin-top:8px;line-height:1.6}}