:root{color-scheme:dark;--bg:#0c161e;--panel:#17242d;--accent:#68e4c4;--muted:#9aaebb;--border:#2b3e49;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 10%,#143731 0,transparent 43%),var(--bg);color:#eaf1f5;line-height:1.65}main{max-width:1120px;margin:auto;padding:40px 28px}a{color:var(--accent);text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:4px}header{display:flex;align-items:center;gap:14px}header strong{font-size:23px;letter-spacing:1px}header .muted{display:block;font-size:12px}.logo{display:grid;place-items:center;width:48px;height:48px;background:var(--accent);color:#102c25;font-weight:900;border-radius:15px;font-size:19px}.muted{color:var(--muted)}.badge{margin-left:auto;font-size:12px;color:var(--accent);border:1px solid #356457;border-radius:40px;padding:7px 15px}.hero{padding:70px 0 36px;max-width:820px}.eyebrow{letter-spacing:2px;font-size:11px;color:var(--accent);font-weight:650}h1{font-size:clamp(40px,7vw,70px);line-height:1.2;letter-spacing:-2px;margin:20px 0 24px;font-weight:800}h2{font-size:21px;line-height:1.4;margin:8px 0 12px}.lead{max-width:640px;color:var(--muted);font-size:17px}.steps{display:flex;flex-wrap:wrap;gap:18px 32px;padding:20px 0;list-style:none;font-size:13px}.steps b{color:var(--accent);margin-right:9px}.connect-card{border:1px solid #356457;background:linear-gradient(110deg,#193831,#172a30);border-radius:22px;padding:28px;margin-bottom:44px;display:grid;grid-template-columns:1fr auto;gap:12px 28px}.connect-card p{color:var(--muted);margin:8px 0}.connect-card .eyebrow{color:var(--accent)}.actions{display:flex;flex-direction:column;gap:10px;justify-content:center}.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;font:inherit;font-size:14px;font-weight:650;border:1px solid transparent;border-radius:12px;cursor:pointer;text-align:center;transition:background .16s,transform .16s}.button:not(:disabled):not(.disabled):hover{transform:translateY(-2px)}.primary{background:var(--accent);color:#10362c}.secondary{border-color:#476170;background:#172b34;color:#dfebf1}.disabled,button:disabled{opacity:.45;cursor:default;pointer-events:none}.small{font-size:12px;grid-column:1/-1}.section-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.section-title .muted{font-size:12px}.downloads{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.platform{border-radius:19px;border:1px solid var(--border);background:var(--panel);padding:26px;display:flex;flex-direction:column;align-items:flex-start}.platform.available{border-color:#477768}.platform .platform-tag{color:var(--accent);font:600 11px ui-monospace,monospace;letter-spacing:2px}.platform p{color:var(--muted);font-size:13px;margin:0 0 18px}.platform .button{margin-top:auto}.platform small{color:var(--muted);margin-top:12px;word-break:break-word}.pending{font-size:13px;background:#22333e;padding:9px 15px;border-radius:10px;color:#9aafbc}.bundle{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#121f28;border:1px dashed var(--border);border-radius:18px;margin:26px 0 48px;padding:25px}.bundle p{color:var(--muted);font-size:13px;margin-bottom:0}.bundle .button{flex-shrink:0}.questions{max-width:850px}details{border-bottom:1px solid var(--border);padding:18px 0}summary{cursor:pointer;font-size:14px}details p{font-size:13px;color:var(--muted);margin:14px 0 4px}footer{display:flex;flex-wrap:wrap;gap:14px 25px;color:var(--muted);font-size:11px;margin-top:48px;padding-top:20px;border-top:1px solid var(--border)}textarea{grid-column:1/-1;width:100%;height:90px;background:#0e1c23;color:#dbe9ee;border:1px solid var(--border);border-radius:9px;padding:12px;resize:none;font:13px monospace}@media(max-width:640px){main{padding:24px 18px}.badge{font-size:10px;padding:5px 9px}.hero{padding-top:44px}h1{letter-spacing:-1px}.connect-card{grid-template-columns:1fr;padding:22px}.downloads{grid-template-columns:1fr}.section-title{align-items:flex-start;flex-direction:column;gap:0}.bundle{align-items:stretch;flex-direction:column;padding:22px}.steps{gap:12px;font-size:11px}.platform{padding:22px}}