*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;background:#060b16;font-family:'SF Pro Display',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:#d0dfef;user-select:none;-webkit-font-smoothing:antialiased}
#sky{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:0}

header{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;pointer-events:none}
header>*{pointer-events:auto}
.logo{font-size:18px;font-weight:700;cursor:pointer;letter-spacing:.3px}
.logo span{background:linear-gradient(135deg,#6ec6ff,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.lp{display:flex;gap:3px}
.lb{padding:4px 9px;border:1px solid transparent;border-radius:6px;background:transparent;color:#5a7090;font-size:10px;cursor:pointer;transition:all .25s;font-family:inherit;letter-spacing:.5px}
.lb:hover{background:rgba(255,255,255,.05);color:#c0d0e8}
.lb.on{background:rgba(110,198,255,.08);border-color:rgba(110,198,255,.18);color:#6ec6ff}

.card{position:fixed;right:28px;top:50%;transform:translateY(-50%);z-index:20;width:300px;background:rgba(10,18,35,.94);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:24px;box-shadow:0 12px 48px rgba(0,0,0,.55);transition:opacity .35s cubic-bezier(.4,0,.2,1),transform .35s cubic-bezier(.4,0,.2,1)}
.card.hide{opacity:0;transform:translateY(-50%) translateX(24px);pointer-events:none;visibility:hidden}
.card-hd{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.card-em{font-size:36px;line-height:1}
.card-nm{font-size:22px;font-weight:700;letter-spacing:-.3px}
.card-lt{font-size:11px;color:#5a7090;margin-top:3px;letter-spacing:.5px}
.card-tx{font-size:13px;line-height:1.75;color:#9ab0cc;border-top:1px solid rgba(255,255,255,.06);padding-top:14px;margin-bottom:14px}
.card-ft{font-size:11px;color:#5a7090;line-height:1.7;border-top:1px solid rgba(255,255,255,.06);padding-top:10px}
.card-ft b{color:#9ab0cc;font-weight:600}

.hint{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:12;padding:10px 24px;border-radius:20px;background:rgba(0,0,0,.4);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.04);font-size:11px;color:#4a6580;white-space:nowrap;pointer-events:none;transition:opacity .8s;letter-spacing:.3px}
.hint.gone{opacity:0}

.ft{position:fixed;bottom:0;left:0;right:0;z-index:5;padding:6px;text-align:center;font-size:8px;color:rgba(255,255,255,.08);pointer-events:none}

@media(max-width:768px){
  .card{right:12px;left:12px;top:auto;bottom:16px;width:auto;transform:none;padding:18px}
  .card.hide{transform:translateY(24px)}
  .card-nm{font-size:18px}
  .card-em{font-size:28px}
  header{padding:10px 14px}
}