:root{color-scheme:dark;--bg:#1b1d1c;--surface:#262927;--ink:#f3f1e8;--muted:#a9aca2;--line:#3e423c;--lime:#e5f3a6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--lime)}a:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:6px}main,header,footer{max-width:1184px;margin:auto;padding-left:40px;padding-right:40px}header{height:110px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:20px;font-weight:600;letter-spacing:-.7px}.brand img{width:44px;height:44px;border-radius:12px}nav{display:flex;gap:28px;font-size:13px}nav a{text-decoration:none}.hero{padding:62px 0 75px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:10px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:2.4px;color:var(--lime);font-weight:600}.hero h1{font-size:clamp(48px,5.8vw,78px);font-weight:500;letter-spacing:-3.5px;line-height:1.12;margin:25px 0}.hero p{font-size:18px;color:var(--muted);max-width:435px}.hero h1 em{font-style:normal;color:var(--lime)}.actions{margin:31px 0 18px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}.button{background:var(--lime);border:1px solid var(--lime);color:#23291b!important;padding:12px 23px;border-radius:50px;text-decoration:none;font-weight:600;font-size:14px}.fine{font-size:12px!important;color:var(--muted)}.stage{position:relative;display:grid;place-items:center;min-height:390px}.stage:before{content:"";position:absolute;width:330px;height:330px;border-radius:50%;border:1px solid #515744;transform:rotate(-14deg);background:radial-gradient(circle,#363c2d 0%,transparent 65%)}.cat{width:100%;max-width:420px;z-index:1;filter:drop-shadow(0 22px 24px #0004)}.note{position:absolute;z-index:2;border:1px solid var(--line);background:#272b25;padding:9px 18px;font-size:12px;border-radius:40px;bottom:9px;transform:rotate(-4deg);color:var(--lime)}.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;margin-bottom:86px}.strip strong{display:block;font-size:17px;font-weight:500}.strip span{font-size:12px;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:30px}.section-head h2{font-size:36px;font-weight:450;line-height:1.2;letter-spacing:-1px;margin:0}.section-head p{max-width:330px;font-size:13px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{border:1px solid var(--line);border-radius:25px;padding:26px;background:var(--surface);min-height:250px}.step{font:12px ui-monospace,monospace;color:var(--lime)}.card h3{font-size:23px;line-height:1.3;font-weight:500;margin:39px 0 10px}.card p{font-size:14px;color:var(--muted);margin:0}.detail{margin:18px 2px;color:var(--muted);font-size:12px}.section{margin:85px 0}.faq{display:grid;grid-template-columns:1fr 1.55fr;gap:60px}.faq h2{font-size:36px;font-weight:450;margin:0;letter-spacing:-1px}details{border-top:1px solid var(--line);padding:19px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;font-size:15px;font-weight:500;display:flex;justify-content:space-between;gap:20px}summary:after{content:"+";color:var(--lime);font-size:19px}details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;max-width:590px}.support{border-radius:26px;background:var(--lime);color:#262d20;padding:35px 40px;display:flex;justify-content:space-between;gap:30px;align-items:center}.support h2{margin:0;font-size:30px;font-weight:500}.support p{margin:6px 0;font-size:14px}.support a:hover{color:#26341b}.support .mail{font-size:18px;white-space:nowrap}footer{padding-top:30px;padding-bottom:32px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);margin-top:85px}footer div{display:flex;gap:22px}.policy{max-width:780px;padding-top:48px;padding-bottom:25px}.policy h1{font-size:48px;font-weight:500;letter-spacing:-1.5px;line-height:1.2}.policy h2{font-size:23px;font-weight:500;margin:42px 0 12px}.policy p,.policy li{font-size:15px;color:#c5c8bd}.policy .lead{font-size:19px;color:var(--ink)}.policy ul{padding-left:22px}.policy .callout{background:var(--surface);border-left:2px solid var(--lime);padding:20px 24px;border-radius:0 14px 14px 0}.lang-zh .hero h1{letter-spacing:-1.7px;line-height:1.22}.lang-zh .hero p{max-width:355px}@media(max-width:760px){main,header,footer{padding-left:24px;padding-right:24px}header{height:86px}nav{gap:15px}nav .optional{display:none}.hero{padding-top:28px;grid-template-columns:1fr;padding-bottom:42px}.hero h1{font-size:57px;letter-spacing:-2.5px}.hero p{font-size:16px}.stage{min-height:290px;margin-top:10px}.cat{max-width:310px}.stage:before{width:255px;height:255px}.note{bottom:0}.strip{gap:15px;padding:22px 0;margin-bottom:56px}.strip strong{font-size:14px}.strip span{font-size:11px}.section-head{display:block}.section-head h2,.faq h2{font-size:31px}.cards{grid-template-columns:1fr}.card{min-height:0;padding:24px}.card h3{margin:20px 0 10px}.section{margin:58px 0}.faq{grid-template-columns:1fr;gap:28px}.support{display:block;padding:28px}.support .mail{display:inline-block;margin-top:18px;font-size:17px}footer{display:block;margin-top:58px}footer div{margin-top:14px;flex-wrap:wrap}.policy{padding-top:30px}.policy h1{font-size:38px}.policy h2{font-size:22px}}

@media(max-width:760px){.lang-zh .hero h1{font-size:46px}.lang-zh .hero h1 em{white-space:nowrap}}