:root{--ink:#17133f;--purple:#5d45ed;--violet:#7537f4;--pink:#ff4f8a;--muted:#606070;--card:rgba(255,255,255,.72);--border:rgba(255,255,255,.82)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#23232b;font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;background:#fff}a{text-decoration:none;color:inherit}.shell{width:min(1200px,calc(100% - 48px));margin:0 auto}
.hero{height:800px;min-height:720px;position:relative;overflow:hidden;background:linear-gradient(135deg,#f3f3ff 0%,#fff5fa 46%,#f4f3ff 100%)}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(8px);pointer-events:none}.hero:before{width:660px;height:420px;left:-180px;bottom:-160px;background:radial-gradient(circle,#c9f4ff 0%,rgba(201,244,255,0) 70%)}.hero:after{width:600px;height:430px;right:-120px;top:-150px;background:radial-gradient(circle,#ffdce9 0%,rgba(255,220,233,0) 70%)}
.nav{position:relative;z-index:10;top:32px;height:58px;padding:0 14px 0 18px;border-radius:100px;background:rgba(255,255,255,.66);box-shadow:0 12px 45px rgba(92,77,159,.08);backdrop-filter:blur(20px);display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:#16151c}.logo-mark{width:37px;height:37px;border-radius:50%;position:relative;background:conic-gradient(from 220deg,#ff345f,#ff8e25,#ffcf23,#ff4b69,#713eff,#ff345f);box-shadow:0 5px 12px rgba(239,71,111,.22)}.logo-mark:before{content:"";position:absolute;inset:8px 9px 10px;border-radius:70% 35% 70% 40%;background:white;transform:rotate(28deg)}.logo-mark:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:#6946f2;right:8px;bottom:7px}.nav-links{display:flex;gap:42px;font-size:14px;color:#27252d}.nav-links a{transition:.2s}.nav-links a:hover{color:var(--purple)}.nav-actions{justify-self:end}.pill{border:0;color:#fff;border-radius:100px;padding:13px 23px;font-size:14px;font-weight:600;background:linear-gradient(100deg,#5448e9,#7934f4);box-shadow:0 10px 22px rgba(100,66,235,.22);cursor:pointer;display:inline-flex;align-items:center;gap:9px;transition:.2s}.pill:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(100,66,235,.3)}.mac{font-size:18px;line-height:1}
.hero-inner{position:relative;z-index:2;height:calc(100% - 90px);display:grid;grid-template-columns:46% 54%;align-items:center;padding-top:70px}.hero-copy{padding-left:42px;margin-top:-20px}.hero-copy h1{font-size:68px;line-height:1.15;letter-spacing:-5px;margin:0 0 14px;color:var(--ink);font-weight:900}.hero-copy .slogan{margin:0 0 21px;font-size:32px;font-weight:800;letter-spacing:-1.5px;background:linear-gradient(90deg,#5b51e7,#6e32da);-webkit-background-clip:text;color:transparent;white-space:nowrap}.trial{display:inline-flex;align-items:center;gap:8px;color:#fff;background:linear-gradient(90deg,#ff4a76,#ff516b);border-radius:100px;padding:6px 14px 6px 9px;font-size:14px;font-weight:600;box-shadow:0 8px 18px rgba(255,74,118,.24)}.gem{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#ffd72d;color:#ff385b;font-size:11px}.hero-cta{display:flex;gap:12px;margin-top:34px;align-items:center}.hero-cta .pill{font-size:15px;padding:17px 22px;min-width:205px;justify-content:center;white-space:nowrap}.windows-button{background:linear-gradient(100deg,#3078ef,#5155ec)}.download-icon{width:22px;height:22px;display:grid;place-items:center;flex:0 0 22px}.mac-icon{font-size:23px;line-height:1}.windows-icon{grid-template-columns:repeat(2,9px);grid-template-rows:repeat(2,9px);gap:2px;transform:skewY(-4deg)}.windows-icon i{display:block;width:9px;height:9px;background:#fff}
.visual{height:610px;position:relative;display:grid;place-items:center}.orb{width:430px;height:430px;border-radius:50%;position:relative;margin-top:50px;background:radial-gradient(circle at 32% 22%,rgba(255,255,255,.95),rgba(165,219,255,.6) 23%,rgba(93,87,242,.45) 51%,rgba(110,47,217,.2) 68%,rgba(255,255,255,0) 70%);filter:drop-shadow(0 30px 25px rgba(97,68,190,.18))}.orb:before{content:"";position:absolute;inset:55px 10px 5px;border-radius:50%;background:linear-gradient(180deg,rgba(255,255,255,.82),rgba(120,207,255,.45));border:2px solid rgba(255,255,255,.74);box-shadow:inset 0 0 35px rgba(255,255,255,.7)}.pedestal{position:absolute;width:350px;height:84px;left:40px;bottom:42px;border-radius:50%;background:linear-gradient(180deg,#fff,#a8d3ff 44%,#7e56eb 45%,#bce8ff);border:2px solid rgba(255,255,255,.9);box-shadow:0 28px 45px rgba(70,74,196,.23),inset 0 8px 12px rgba(255,255,255,.9)}.screen{position:absolute;z-index:3;width:365px;height:232px;left:32px;top:117px;border:6px solid rgba(54,46,94,.88);border-radius:18px;background:#171820;box-shadow:0 20px 35px rgba(40,33,97,.35);transform:perspective(900px) rotateY(-5deg) rotateX(3deg);overflow:hidden}.screen img{width:100%;height:100%;object-fit:cover;object-position:top}.screen:after{content:"AI 助播已开启";position:absolute;right:10px;top:9px;color:white;background:rgba(81,66,235,.92);padding:5px 9px;border-radius:20px;font-size:9px}.antenna{position:absolute;z-index:5;left:190px;top:70px;width:50px;height:55px;border-left:6px solid #ff5d43;border-right:6px solid #ff5d43;border-radius:50%;transform:rotate(-4deg)}.antenna:before,.antenna:after{content:"";position:absolute;width:14px;height:14px;background:#ff704f;border-radius:50%;top:-5px}.antenna:before{left:-10px}.antenna:after{right:-10px}
.float-card{position:absolute;z-index:5;width:250px;padding:13px 16px;border:1px solid white;border-radius:13px;background:rgba(255,255,255,.78);box-shadow:0 15px 35px rgba(93,71,167,.12);backdrop-filter:blur(15px);font-size:12px;color:#5d5b65;line-height:1.45}.float-card strong{display:block;color:#5553c9;font-size:15px;margin-bottom:3px}.float-card:before{position:absolute;display:grid;place-items:center;width:33px;height:33px;border-radius:50%;color:#fff;top:-17px;left:-10px;box-shadow:0 7px 14px rgba(72,64,190,.2)}.fc1{left:10px;top:72px}.fc1:before{content:"⌁";background:linear-gradient(135deg,#ff4c75,#ff6e87)}.fc2{right:-20px;top:80px}.fc2:before{content:"✦";background:linear-gradient(135deg,#6d4aff,#278efa);left:auto;right:-9px}.fc3{left:15px;bottom:50px}.fc3:before{content:"◎";background:linear-gradient(135deg,#ffb51c,#ff6b1b)}.fc4{right:8px;bottom:58px;width:170px}.fc4:before{content:"↗";background:linear-gradient(135deg,#b142ff,#f645d8);left:auto;right:-8px}
.product{height:740px;position:relative;overflow:hidden;background:linear-gradient(135deg,#fbfaff,#f8f6ff 58%,#eef4ff)}.product:before{content:"";position:absolute;width:530px;height:400px;left:-120px;bottom:-170px;border-radius:50%;background:radial-gradient(circle,#ffe4ec,rgba(255,228,236,0) 70%)}.section-head{text-align:center;position:relative;z-index:2}.section-head h2{font-size:46px;letter-spacing:-2px;margin:0 0 12px;font-weight:900}.section-head p{font-size:18px;color:#565461;margin:0}.product .section-head{padding-top:60px}.feature-grid{position:relative;z-index:2;margin:45px auto 0;width:min(1000px,calc(100% - 48px));display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card{min-height:132px;padding:25px 25px 22px;border-radius:22px;background:var(--card);border:1px solid var(--border);box-shadow:0 15px 40px rgba(94,77,154,.045);transition:.25s}.feature-card:hover{transform:translateY(-6px);background:white;box-shadow:0 22px 46px rgba(94,77,154,.11)}.feature-card h3{margin:0 0 10px;font-size:18px}.feature-card p{margin:0;font-size:14px;line-height:1.75;color:#595866}
.trust{height:384px;background:#f7f6fc;display:flex;align-items:center}.trust .section-head{width:100%}.trust h2{font-size:46px}.platforms{display:flex;justify-content:center;gap:24px;margin-top:40px;flex-wrap:wrap}.platform{width:148px;height:74px;border-radius:13px;background:#fff;display:flex;align-items:center;justify-content:center;gap:9px;font-size:18px;font-weight:800;box-shadow:0 9px 30px rgba(53,48,89,.04)}.platform i{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;font-style:normal;font-size:13px}.dy i{background:#101116;color:#fff}.by i{background:#ff4d70;color:#fff}.macp i{background:#5450e9;color:#fff}.ai i{background:#eef0ff;color:#5d4be8}.voice i{background:#e3f8f2;color:#19a77d}
.footer{height:430px;background:#070707;color:#aaa9b3;position:relative}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:70px;padding-top:72px}.footer h3{font-size:18px;color:#c6c4ce;margin:0 0 22px;font-weight:500}.footer p{font-size:14px;line-height:2;margin:0}.qr{width:86px;height:86px;background:white;border-radius:8px;padding:7px;display:grid;grid-template-columns:repeat(7,1fr);gap:2px}.qr i{background:#111}.qr i:nth-child(3n){background:#fff}.qr i:nth-child(5n+1){border-radius:2px}.footer-logo{display:flex;align-items:center;gap:11px;color:#fff;font-size:24px;font-weight:800;margin-top:55px;justify-content:center}.footer-logo .logo-mark{width:34px;height:34px}.copyright{text-align:center;font-size:13px;line-height:2;margin-top:18px;color:#77757f}.contact-cta{align-self:start}.contact-cta .pill{margin-top:5px}
.mobile-toggle{display:none;border:0;background:none;font-size:25px}.reveal{opacity:0;transform:translateY(20px);transition:.6s ease}.reveal.in{opacity:1;transform:none}
@media(max-width:900px){.shell{width:min(100% - 28px,720px)}.nav{grid-template-columns:1fr auto;top:16px}.nav-links{display:none}.mobile-toggle{display:block}.nav-actions .pill{display:none}.hero{height:auto;min-height:950px}.hero-inner{grid-template-columns:1fr;padding-top:130px;height:auto}.hero-copy{text-align:center;padding:0;margin:0}.hero-copy h1{font-size:50px}.hero-copy .slogan{font-size:23px;white-space:normal}.hero-cta{justify-content:center}.visual{height:560px;transform:scale(.9);margin-top:-10px}.product{height:auto;padding-bottom:70px}.feature-grid{grid-template-columns:1fr 1fr}.trust{height:auto;padding:70px 0}.footer{height:auto;padding-bottom:45px}.footer-grid{grid-template-columns:1fr;gap:34px}.contact-cta{display:none}}
@media(max-width:560px){.hero{min-height:1020px}.hero-copy h1{font-size:44px}.hero-copy .slogan{font-size:20px}.hero-copy{padding:0 10px}.hero-cta{flex-direction:column}.hero-cta .pill{width:268px;min-width:268px;padding:16px 22px}.visual{width:116%;margin-left:-8%;transform:scale(.74);margin-top:-25px}.feature-grid{grid-template-columns:1fr}.section-head h2,.trust h2{font-size:34px}.product .section-head{padding:55px 24px 0}.feature-grid{margin-top:35px}.platform{width:128px}.footer-grid{padding-top:50px}}

.logo-mark.system-logo{display:block;object-fit:contain;background:none;box-shadow:none}

/* Hero product showcase interactions */
.visual .orb,.visual .float-card{will-change:transform,translate}
.visual .orb{transition:transform .45s cubic-bezier(.2,.8,.2,1),filter .45s ease}
.visual:hover .orb{transform:translateY(-10px) scale(1.065);filter:drop-shadow(0 26px 34px rgba(91,69,196,.16))}
.float-card{cursor:default;transition:transform .3s cubic-bezier(.2,.8,.2,1),background-color .3s ease,box-shadow .3s ease,border-color .3s ease}
.float-card:hover{z-index:8;transform:translateY(-11px) scale(1.14);border-color:rgba(102,79,232,.24);background:rgba(255,255,255,.98);box-shadow:0 28px 56px rgba(78,58,166,.24)}
.float-card:hover:before{transform:scale(1.12)}
.float-card:before{transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.fc4{display:flex;align-items:center;gap:10px;width:226px;padding:10px 14px 10px 10px}
.fc4:before{display:none}
.voice-avatars{display:flex;flex:0 0 67px;align-items:center;padding-left:3px}
.voice-avatars img{width:40px;height:40px;object-fit:cover;border:2px solid #fff;border-radius:50%;background:#edf2ff;box-shadow:0 5px 12px rgba(55,43,123,.16)}
.voice-avatars img+img{margin-left:-16px;background:#e8f7f4}
.fc4:hover .voice-avatars img:first-child{transform:translateX(-3px) rotate(-3deg)}
.fc4:hover .voice-avatars img:last-child{transform:translateX(3px) rotate(3deg)}
.voice-avatars img{transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.fc1,.fc2,.fc3{display:flex;align-items:center;gap:12px;width:270px;padding:12px 15px 12px 11px}
.fc1:before,.fc2:before,.fc3:before{display:none}
.feature-logo{position:relative;display:grid;width:46px;height:46px;overflow:hidden;flex:0 0 46px;place-items:center;border:2px solid #fff;border-radius:14px;background:#eef2ff;box-shadow:0 7px 16px rgba(55,43,123,.14)}
.feature-logo img{display:block;width:37px;height:37px;object-fit:contain;transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.douyin-logo{background:#111}.douyin-logo img{width:100%;height:100%;image-rendering:auto}
.voice-control-logo{overflow:visible;background:#fff1e7}
.voice-control-logo img{width:35px;height:35px}
.voice-control-logo i,.voice-control-logo i:before{position:absolute;border:2px solid rgba(255,126,43,.55);border-radius:50%;content:"";inset:-5px}
.voice-control-logo i:before{inset:-6px;opacity:.42}
.float-card:hover .feature-logo img{transform:scale(1.13)}
.float-card:hover .douyin-logo img{transform:scale(1.18) rotate(-3deg)}
.float-card:hover .voice-control-logo i{animation:voice-ring .9s ease-out infinite}
@keyframes voice-ring{from{transform:scale(.86);opacity:.9}to{transform:scale(1.28);opacity:0}}
.hero-cta{scroll-margin-block:40vh}
.fc4{width:270px;min-height:86px}
.feature-shot{display:block;width:84px;height:58px;overflow:hidden;flex:0 0 84px;border:2px solid #fff;border-radius:10px;background:#f3f5fa;box-shadow:0 7px 16px rgba(55,43,123,.14)}
.feature-shot img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.float-card:hover .feature-shot img{transform:scale(1.16)}
.platform{transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s ease}.platform:hover{transform:translateY(-5px) scale(1.035);box-shadow:0 16px 34px rgba(53,48,89,.1)}
.platform-icon{display:grid;width:34px;height:34px;overflow:hidden;flex:0 0 34px;place-items:center;border:1px solid rgba(255,255,255,.8);border-radius:10px;box-shadow:0 5px 12px rgba(58,43,138,.13)}
.platform-icon img{display:block;width:22px;height:22px;object-fit:contain;transition:transform .25s cubic-bezier(.2,.8,.2,1)}.platform:hover .platform-icon img{transform:scale(1.15)}
.douyin-platform{background:#101116}.douyin-platform img{width:100%;height:100%}
.buyin-platform{background:linear-gradient(145deg,#ff5c82,#ef3f68)}
.ai-platform{background:linear-gradient(145deg,#6a56f1,#5640d9)}
.voice-platform{background:linear-gradient(145deg,#23b993,#159b7b)}
@media(min-width:901px){.hero-copy{margin-top:56px}}
.hero{overflow:clip}
.feature-symbol{position:relative;display:grid;width:54px;height:54px;flex:0 0 54px;place-items:center;border:2px solid rgba(255,255,255,.9);border-radius:17px;box-shadow:0 10px 22px rgba(61,45,151,.2),inset 0 1px 0 rgba(255,255,255,.32)}
.feature-symbol img{display:block;width:32px;height:32px;transition:transform .32s cubic-bezier(.2,.8,.2,1)}
.symbol-talk{background:linear-gradient(145deg,#ff5e7d,#e9436b)}
.symbol-link{background:linear-gradient(145deg,#6651f1,#397df3)}
.symbol-voice{overflow:visible;background:linear-gradient(145deg,#ffae34,#ff761c)}
.symbol-voice i{position:absolute;inset:-6px;border:2px solid rgba(255,139,34,.42);border-radius:21px;opacity:0}
.fc1:hover .feature-symbol img{transform:scale(1.16) rotate(-5deg)}
.fc2:hover .feature-symbol img{transform:scale(1.2) rotate(7deg)}
.fc3:hover .feature-symbol img{transform:scale(1.14) rotate(-4deg)}
.fc3:hover .symbol-voice i{animation:voice-symbol-ring .9s ease-out infinite}
@keyframes voice-symbol-ring{from{transform:scale(.86);opacity:.9}to{transform:scale(1.28);opacity:0}}

@media (prefers-reduced-motion:no-preference){
  .visual .orb{animation:hero-orb-float 5s ease-in-out infinite}
  .fc1{animation:hero-card-float 4.6s ease-in-out infinite}
  .fc2{animation:hero-card-float 5.1s ease-in-out -.9s infinite}
  .fc3{animation:hero-card-float 4.8s ease-in-out -1.8s infinite}
  .fc4{animation:hero-card-float 5.3s ease-in-out -2.6s infinite}
  .float-card:hover{animation-play-state:paused}
}
@keyframes hero-orb-float{0%,100%{translate:0 0}50%{translate:0 -7px}}
@keyframes hero-card-float{0%,100%{translate:0 0}50%{translate:0 -5px}}
@media (prefers-reduced-motion:reduce){.visual .orb,.visual .float-card,.voice-avatars img,.feature-logo img,.voice-control-logo i,.feature-symbol img,.symbol-voice i{animation:none;transition:none}}
@media(max-width:560px){.fc4{width:210px}.voice-avatars{flex-basis:58px}.voice-avatars img{width:35px;height:35px}}
