.startup-scene{margin:0 0 30px;position:relative}
.startup-scene-label{display:flex;justify-content:space-between;align-items:center;color:#e7c880;margin-bottom:14px;gap:12px}
.startup-scene-label button{background:#161711;border:1px solid #bc9a5755;color:#ddbd7e;padding:7px 15px;border-radius:3px;font-size:.8rem}
.startup-stage{height:400px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 50%,#5aa9a528,transparent 67%),linear-gradient(120deg,#07121bd9,#151511bd);border-block:1px solid #bfa15d35;display:flex;align-items:center;justify-content:center;perspective:1300px}
.startup-interface{width:min(760px,85%);height:auto;max-height:90%;object-fit:contain;opacity:0;transform:translateY(25px) scale(.9);transition:transform 1.1s cubic-bezier(.2,1,.3,1),opacity .9s;filter:drop-shadow(0 20px 22px #000a)}
.startup-panel{position:absolute;width:min(640px,85%);padding:36px 42px;background:repeating-linear-gradient(45deg,transparent 0 24px,#ad8b2f0a 25px 26px),linear-gradient(120deg,#1d190f,#100d07);border:1px solid #b9a56b55;color:#e6c887;font-family:'Segoe UI','Microsoft JhengHei',sans-serif;box-shadow:0 24px 60px #000a,0 0 50px #d4ac4b15;transition:opacity .65s,transform .9s cubic-bezier(.2,1,.3,1);transform:translateY(0) scale(1);opacity:1}
.startup-title{display:flex;align-items:center;gap:22px}.startup-title>img{width:58px;height:58px;object-fit:contain;filter:drop-shadow(0 0 10px #b7a14b44)}.startup-title strong{display:block;color:#f0dfb4;font-size:2rem;font-weight:400;line-height:1.4}.startup-phase{display:block;margin-top:8px;color:#e7bd55;font-size:.95rem}.startup-progress{margin-top:28px;height:3px;background:#89703544;overflow:hidden}.startup-progress i{display:block;width:25%;height:100%;background:#e2b94f;box-shadow:0 0 12px #eebd51}.startup-panel small{display:block;margin-top:15px;letter-spacing:.1em;font-size:.7rem}.startup-caption{position:absolute;right:18px;bottom:10px;font-size:.7rem;color:#a7a38c}.startup-playing .startup-progress i{animation:startup-run 2.3s ease-in-out both}.startup-ready .startup-panel{opacity:0;transform:translateY(-28px) scale(.88);pointer-events:none}.startup-ready .startup-interface{opacity:1;transform:translateY(0) scale(1)}
@keyframes startup-run{from{transform:translateX(-100%)}to{transform:translateX(420%)}}
.motion-off .startup-progress i{animation:none}.fx-paused .startup-progress i{animation-play-state:paused}
@media(max-width:800px){.startup-stage{height:270px}.startup-panel{padding:24px;width:90%}.startup-title{gap:16px}.startup-title strong{font-size:1.5rem}.startup-title>img{width:42px;height:42px}.startup-phase{font-size:.8rem}.startup-scene-label{font-size:.8rem}.startup-scene-label button{font-size:.7rem;padding:6px 9px}}
@media(prefers-reduced-motion:reduce){.startup-panel,.startup-interface{transition:none}.startup-progress i{animation:none!important}}