.landing{position:fixed;inset:0;box-sizing:border-box;background:#000;overflow:hidden;color:#ddd;display:flex;align-items:flex-end;justify-content:center;padding-bottom:calc(18px + env(safe-area-inset-bottom,0px))}.landing:before{content:"";position:absolute;top:0;left:0;height:100%;aspect-ratio:1920 / 678;background:url(/image/title.png) center / 100% 100% no-repeat;z-index:-1;animation:landing-bg-pan 45s linear infinite alternate;will-change:transform}@keyframes landing-bg-pan{0%{transform:translate(0)}to{transform:translate(calc(100vw - 100%))}}@media(prefers-reduced-motion:reduce){.landing:before{animation:none;transform:translate(calc((100vw - 100%)/2))}}.landing-box{background:#1a1a1a;border:1px solid #333;padding:20px 22px 12px;border-radius:8px;width:256px;display:flex;flex-direction:column;gap:12px}.landing-title{font-size:19px;font-weight:700;margin:0;text-align:center;letter-spacing:2px}.landing-actions{display:flex;gap:8px}.landing-actions .landing-btn{flex:1}.landing-status{text-align:center;font-size:14px;color:#888}.landing-user{text-align:center;font-size:13px;color:#aaa;word-break:break-all}.landing-btn{background:#fff;color:#333;border:1px solid #ccc;padding:9px 12px;border-radius:4px;cursor:pointer;font-size:13px;font-weight:500}.landing-btn:hover:not(:disabled){background:#f0f0f0}.landing-btn:disabled{opacity:.5;cursor:not-allowed}.landing-btn-primary{background:#b22;color:#fff;border-color:#c33;font-weight:600;letter-spacing:1px}.landing-btn-primary:hover:not(:disabled){background:#c33}.landing-btn-ghost{background:#2a2a2a;color:#aaa;border-color:#444}.landing-btn-ghost:hover:not(:disabled){background:#333;color:#ccc}.landing-error{color:#e66;font-size:12px;min-height:16px;text-align:center}