:root{--ink:#171923;--muted:#737786;--line:#e8eaf0;--paper:#f8f9fc;--card:#fff;--blue:#3478f6;--violet:#7657ff;--cyan:#25b8c7;--orange:#ff9c3b;--shadow:0 24px 70px rgba(42,48,70,.12)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}
    .glow{position:fixed;pointer-events:none;border-radius:999px;filter:blur(4px);opacity:.42;z-index:-1}.glow.one{width:380px;height:380px;right:-150px;top:-150px;background:#d8d0ff}.glow.two{width:310px;height:310px;left:-170px;top:42%;background:#c9f3f0}
    .wrap{width:min(1120px,calc(100% - 40px));margin:auto}.nav{height:82px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:750;font-size:19px;letter-spacing:-.02em}.logo{width:43px;height:43px;display:grid;place-items:center;border-radius:14px;color:#fff;font-weight:800;font-size:17px;background:linear-gradient(145deg,#242633,#11121a);box-shadow:0 9px 24px #20222e2b}.nav-note{font-size:13px;color:var(--muted)}
    .hero{min-height:690px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:72px;padding:58px 0 80px}.tag{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #dfe3ed;border-radius:999px;background:#ffffffb8;backdrop-filter:blur(12px);font-size:12px;font-weight:650;color:#575c6b}.tag i{width:7px;height:7px;border-radius:50%;background:#30bf7c;box-shadow:0 0 0 4px #dff7ea}
    h1{font-size:clamp(50px,6.7vw,84px);line-height:.98;letter-spacing:-.065em;margin:24px 0 23px;max-width:630px}.accent{background:linear-gradient(100deg,var(--blue),var(--violet) 70%);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{max-width:570px;font-size:18px;line-height:1.85;color:var(--muted);margin:0}.actions{display:flex;align-items:center;gap:14px;margin-top:36px;flex-wrap:wrap}.download{display:inline-flex;align-items:center;gap:12px;min-height:58px;padding:0 23px;border-radius:18px;color:#fff;background:linear-gradient(135deg,#327bf4,#6857ee);font-weight:720;box-shadow:0 14px 35px #496be34a;transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s}.download:hover{transform:translateY(-3px);box-shadow:0 19px 42px #496be35c}.download:active{transform:scale(.97)}.android{width:24px;height:24px;display:grid;place-items:center}.android svg{width:23px;fill:#fff}.version{font-size:13px;line-height:1.55;color:var(--muted)}.version b{display:block;color:var(--ink)}
    .phone-wrap{display:grid;place-items:center;position:relative}.orbit{position:absolute;width:460px;height:460px;border-radius:50%;border:1px solid #dfe2ec}.orbit:before,.orbit:after{content:"";position:absolute;border-radius:50%}.orbit:before{width:58px;height:58px;right:20px;top:65px;background:linear-gradient(145deg,#ffb75d,#ff8456);box-shadow:var(--shadow)}.orbit:after{width:42px;height:42px;left:13px;bottom:95px;background:linear-gradient(145deg,#4fd3c6,#25a7c6);box-shadow:var(--shadow)}
    .phone{width:300px;height:596px;border:9px solid #191b25;border-radius:46px;background:#f2f3f7;box-shadow:0 42px 90px #28304a30;overflow:hidden;position:relative;transform:rotate(2.2deg)}.island{position:absolute;z-index:3;top:10px;left:50%;transform:translateX(-50%);width:86px;height:23px;border-radius:30px;background:#181a22}.phone-head{height:105px;padding:45px 18px 14px;background:#fff;display:flex;align-items:center;gap:12px;border-bottom:1px solid #e9eaf0}.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:750;background:linear-gradient(145deg,#ff8d65,#ef5c72)}.person b{font-size:15px}.person span{display:block;color:#2caf79;font-size:11px;margin-top:3px}.dots{margin-left:auto;font-weight:800;letter-spacing:2px}.chat{height:426px;padding:24px 14px;background:linear-gradient(#f6f2eaee,#f2eee6ee),repeating-linear-gradient(45deg,#ddd 0 1px,transparent 1px 26px)}.row{display:flex;gap:8px;align-items:flex-end;margin-bottom:18px}.row.me{justify-content:flex-end}.mini-avatar{width:31px;height:31px;border-radius:50%;background:linear-gradient(145deg,#47bace,#3978ef)}.bubble{max-width:190px;padding:10px 13px;border-radius:8px 17px 17px 17px;background:#fff;font-size:12px;line-height:1.5;box-shadow:0 4px 12px #45495a12}.me .bubble{background:#d9f6e8;border-radius:17px 8px 17px 17px}.voice{display:flex;align-items:center;gap:9px;width:145px}.bars{display:flex;gap:2px;align-items:center}.bars i{display:block;width:2px;border-radius:2px;background:#3583e9}.bars i:nth-child(1){height:7px}.bars i:nth-child(2){height:13px}.bars i:nth-child(3){height:9px}.bars i:nth-child(4){height:16px}.bars i:nth-child(5){height:10px}.media{height:112px;width:166px;padding:0;overflow:hidden;background:linear-gradient(145deg,#cdd7ff,#ffd4ca);position:relative}.media:after{content:"▶";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:20px;text-shadow:0 2px 8px #2228}.composer{height:65px;padding:10px 12px;background:#fff;display:flex;align-items:center;gap:10px}.input{height:39px;flex:1;border-radius:14px;background:#f1f2f5;color:#a1a5b0;padding:11px;font-size:12px}.plus{font-size:26px;color:#777c89}
    .features{padding:70px 0 104px}.section-title{text-align:center;margin-bottom:38px}.section-title p{color:var(--blue);font-size:12px;font-weight:750;letter-spacing:.14em;margin:0 0 12px}.section-title h2{font-size:clamp(32px,4vw,48px);letter-spacing:-.045em;margin:0}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:25px;min-height:194px;box-shadow:0 12px 40px #373d5710;transition:transform .28s,border-color .28s}.feature:hover{transform:translateY(-5px);border-color:#d4d8e6}.icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;color:#fff;font-size:21px;margin-bottom:24px}.feature:nth-child(1) .icon{background:linear-gradient(145deg,#4e8cff,#6b63ee)}.feature:nth-child(2) .icon{background:linear-gradient(145deg,#26c3bd,#38a5d7)}.feature:nth-child(3) .icon{background:linear-gradient(145deg,#ffad43,#ff7c59)}.feature:nth-child(4) .icon{background:linear-gradient(145deg,#a06bf2,#e66bb0)}.feature h3{font-size:17px;margin:0 0 9px}.feature p{color:var(--muted);font-size:13px;line-height:1.75;margin:0}
    .install{margin-bottom:96px;background:#171923;color:#fff;border-radius:32px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:0 26px 70px #1c20332e}.install h2{font-size:27px;letter-spacing:-.035em;margin:0 0 9px}.install p{margin:0;color:#aeb2c2;font-size:13px;line-height:1.7}.install .download{box-shadow:none;white-space:nowrap;background:#fff;color:#1b1d27}.install .android svg{fill:#1b1d27}footer{border-top:1px solid var(--line);padding:26px 0 38px;color:#999daa;font-size:12px}.footer-row{display:flex;justify-content:space-between;gap:20px}
    @media(max-width:920px){.hero{grid-template-columns:1fr;text-align:center;padding-top:55px}.hero-copy{display:grid;justify-items:center}.phone-wrap{margin-top:0}.grid{grid-template-columns:repeat(2,1fr)}.orbit{width:420px;height:420px}}
    @media(max-width:560px){.wrap{width:min(100% - 28px,1120px)}.nav{height:70px}.nav-note{display:none}.hero{gap:55px;padding:40px 0 70px;min-height:auto}h1{font-size:49px}.lead{font-size:15px}.actions{justify-content:center}.phone{width:268px;height:532px;border-width:8px;border-radius:40px}.chat{height:362px}.orbit{width:340px;height:340px}.grid{grid-template-columns:1fr}.feature{min-height:160px}.install{padding:30px 24px;display:block;text-align:center}.install .download{margin-top:24px}.footer-row{display:block;text-align:center}.footer-row span{display:block;margin-top:8px}}