:root{color-scheme:dark;--bg:#080e16;--ink:#f0f5fc;--muted:#9ba9bd;--blue:#81c2ff;--line:#253041}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}header{display:flex;align-items:center;justify-content:space-between;padding-block:30px}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:700;letter-spacing:-.7px}.brand img{border-radius:10px}.colon{color:var(--blue)}nav{display:flex;gap:32px;align-items:center;font-size:14px}nav a{color:#bdc7d5}nav button{background:transparent;border:1px solid var(--line);border-radius:30px;padding:9px 14px;color:var(--ink);cursor:pointer;font-size:14px}.hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;min-height:620px;padding-block:60px 80px;gap:50px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--blue);margin:0 0 28px}h1{font-size:clamp(48px,5.6vw,80px);line-height:1.06;letter-spacing:-4px;margin:0 0 28px;font-weight:600}h1 em{font-style:normal;color:var(--blue)}.intro{font-size:21px;line-height:1.55;color:#aebcd0;margin:0 0 32px}.actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.download{display:flex;gap:10px;align-items:center;background:var(--ink);color:#0a1220;border-radius:12px;padding:11px 22px;font-size:23px;font-weight:600;transition:transform .2s}.download:hover{transform:translateY(-3px)}.download svg{width:32px;height:32px}.download small{display:block;font-size:12px;font-weight:400;margin-bottom:2px}.android{display:flex;flex-direction:column;font-size:16px;color:#9eacc0;gap:5px}.android small{font-size:12px;color:#718198}.free{font-size:13px;color:#8595ab;margin:18px 0 0}.visual{position:relative;display:grid;place-items:center;min-height:420px}.halo{position:absolute;width:120%;height:120%;background:radial-gradient(ellipse,#113a66 0%,#0b2038 35%,transparent 68%);z-index:-1}.hero-icon{width:min(100%,370px);height:auto;border-radius:26%;box-shadow:0 30px 90px #0006;transform:rotate(-9deg);animation:float 7s ease-in-out infinite}.orbit-tag{position:absolute;bottom:8px;right:0;border:1px solid #2c4561;background:#0d1d2ddd;border-radius:40px;padding:13px 21px;font-size:14px;color:#b8d7f7}.features{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);padding-block:42px;gap:40px}.features article+article{border-left:1px solid var(--line);padding-left:40px}.num{font-size:12px;letter-spacing:1.6px;color:#72859f}h2{font-size:35px;line-height:1.12;letter-spacing:-1px;font-weight:500;margin:24px 0 18px}.features p{color:var(--muted);font-size:16px;line-height:1.6;max-width:290px;margin:0}.statement{display:flex;align-items:center;justify-content:space-between;padding-block:65px}.statement p{font-size:32px;line-height:1.4;letter-spacing:-1px;margin:0}.statement span{color:#8094ad}.statement a{font-size:16px;border-bottom:1px solid var(--blue);padding-bottom:8px;color:var(--blue)}footer{border-top:1px solid var(--line);padding-block:28px 40px;display:flex;justify-content:space-between;gap:30px;color:#8191a7;font-size:12px;line-height:1.8}footer>div:first-child{display:flex;flex-direction:column}.footer-links{display:flex;gap:20px;flex-wrap:wrap;align-items:center}a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:5px}a:hover{color:var(--blue)}.download:hover{color:#0a1220}@keyframes float{50%{transform:translateY(-12px) rotate(-6deg)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-icon{animation:none}.download{transition:none}}@media(max-width:850px){.wrap{width:calc(100% - 48px)}.hero{gap:20px;min-height:520px}h1{font-size:54px;letter-spacing:-2.5px}.intro{font-size:18px}.visual{min-height:330px}.hero-icon{width:280px}h2{font-size:29px}.features{gap:24px}.features article+article{padding-left:24px}footer{flex-direction:column}}@media(max-width:600px){header{padding-block:22px}.brand{font-size:18px;gap:9px}.brand img{width:32px;height:32px}nav{gap:14px}nav>a{display:none}.hero{grid-template-columns:1fr;padding-block:36px 42px;gap:24px;min-height:0}.eyebrow{font-size:11px;letter-spacing:1.2px;margin-bottom:22px}h1{font-size:clamp(40px,10.5vw,62px);letter-spacing:-2px}.intro{font-size:18px}.visual{min-height:310px;order:2}.hero-icon{width:260px}.orbit-tag{bottom:5px;right:5%;font-size:13px}.features{grid-template-columns:1fr;padding-block:0;gap:0}.features article{padding-block:30px}.features article+article{border-left:0;border-top:1px solid var(--line);padding-left:0}h2{font-size:32px;margin:17px 0 12px}.features h2 br{display:none}.features p{max-width:100%}.statement{padding-block:40px;gap:25px}.statement p{font-size:24px}.statement a{white-space:nowrap;font-size:14px}.footer-links{gap:16px}footer{padding-block:24px 32px}}html[lang=zh] h1{letter-spacing:-1px;font-size:clamp(40px,5.5vw,72px)}

.how{padding-block:70px}.how h2{font-size:clamp(32px,4vw,48px);margin-top:0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin-top:34px}.steps p{display:flex;gap:18px;line-height:1.6;color:var(--muted);margin:0}.steps b{font-size:14px;color:var(--blue);padding-top:3px}.faq{padding-block:15px 55px}.faq>h2{margin-bottom:30px}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:18px;line-height:1.5;padding-right:15px}summary::marker{color:var(--blue)}.faq details p{color:var(--muted);line-height:1.7;max-width:760px;margin:16px 0 2px}summary:focus-visible{outline:2px solid var(--blue);outline-offset:5px}section[id]{scroll-margin-top:25px}@media(max-width:600px){.steps{grid-template-columns:1fr;gap:22px}.how{padding-block:42px}.faq{padding-bottom:30px}summary{font-size:16px}.faq details p{font-size:15px}.download{min-height:54px}nav button{min-height:44px}html[lang=zh] h1{font-size:clamp(36px,9.5vw,56px)}}
