:root{--neon-blue: #00f2ff;--neon-gold: #ffd700;--neon-red: #ff2d55;--bg-dark: #02020a}.app-container{width:100%;height:100vh;background:#000;display:flex;flex-direction:column;align-items:center;font-family:PingFang SC,Microsoft YaHei,sans-serif;color:#fff;overflow:hidden}.top-nav{width:400px;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;background:#0a0a1a;border-bottom:1px solid #1a1a3a;z-index:100}.cloud-status{display:flex;align-items:center;gap:6px;font-size:11px;color:#555}.cloud-status.syncing{color:var(--neon-blue)}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.currency-bar{display:flex;gap:12px}.currency-bar .item{display:flex;align-items:center;gap:5px;background:#1a1a2a;padding:4px 10px;border-radius:6px;font-size:13px;font-weight:700}.game-viewport{width:400px;height:600px;background:radial-gradient(circle at center,#0a0a25,#02020a);position:relative;overflow:hidden;border:2px solid #1a1a3a}.skill-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:90;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.skill-name{font-size:48px;font-weight:900;text-shadow:0 0 20px currentColor;letter-spacing:4px;z-index:2}.skill-vfx{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1}.game-hud{position:absolute;top:15px;left:0;width:100%;padding:0 20px;display:flex;justify-content:space-between;z-index:50}.stat-label{font-size:10px;color:#888;text-transform:uppercase}.stat-val{font-size:24px;font-weight:900;color:var(--neon-blue)}.stage-info{text-align:right}.stage-info span{font-size:12px;color:var(--neon-gold);font-weight:700}.progress-bg{width:80px;height:4px;background:#111;border-radius:2px;margin-top:4px;overflow:hidden}.progress-fill{height:100%;background:var(--neon-gold);box-shadow:0 0 8px var(--neon-gold)}.hud-controls{position:absolute;bottom:20px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:flex-end;z-index:50}.skill-trigger{width:70px;height:70px;background:#000c;border:3px solid #333;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;cursor:pointer}.skill-trigger.ready{border-color:var(--neon-blue);box-shadow:0 0 15px var(--neon-blue)}.cd-overlay{position:absolute;bottom:0;width:100%;background:#ffffff26;z-index:1}.cd-text{position:absolute;bottom:6px;font-size:12px;font-weight:900;color:#fff;z-index:2}.player{position:absolute;z-index:20;transition:transform .1s}.player.invincible{filter:drop-shadow(0 0 12px var(--neon-blue))}.shield-effect{position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;border:2px solid var(--neon-blue);border-radius:50%;animation:rotate 1s linear infinite}.entity{position:absolute;display:flex;align-items:center;justify-content:center;z-index:15}.boss-hp-bar{width:100%;height:6px;background:#200;border-radius:3px;margin-bottom:5px;overflow:hidden}.boss-hp-bar .fill{height:100%;background:var(--neon-red)}.shard-item{filter:drop-shadow(0 0 8px var(--neon-blue));animation:float 1s infinite ease-in-out}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.bullet{position:absolute;width:4px;height:12px;border-radius:2px;z-index:18}.bullet.laser{height:120px;width:12px;box-shadow:0 0 15px currentColor}.boss-bullet{position:absolute;width:10px;height:10px;background:var(--neon-red);border-radius:50%;box-shadow:0 0 8px var(--neon-red)}.menu-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#02020af5;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;text-align:center}.menu-overlay h1{font-size:28px;margin:20px 0;font-weight:900;color:#fff;text-shadow:0 0 15px var(--neon-blue)}.btn-primary{background:linear-gradient(135deg,var(--neon-blue),#0066ff);border:none;padding:14px 45px;border-radius:25px;color:#fff;font-weight:900;font-size:18px;cursor:pointer;box-shadow:0 0 20px #00f2ff4d;margin-bottom:12px}.btn-secondary{background:#ffffff0d;border:1px solid #333;padding:10px 30px;border-radius:20px;color:var(--neon-gold);font-size:14px;cursor:pointer;margin-bottom:20px}.btn-back{position:absolute;top:20px;left:20px;background:none;border:1px solid #333;color:#888;padding:5px 15px;border-radius:15px;cursor:pointer}.mode-list{display:grid;grid-template-columns:1fr;gap:15px;width:100%}.mode-card{background:#ffffff08;border:1px solid #222;padding:15px;border-radius:15px;cursor:pointer;text-align:left}.mode-card h3{margin:5px 0;font-size:16px}.mode-card p{font-size:12px;color:#666;margin:0}.gacha-options{display:flex;gap:15px;margin-top:20px}.gacha-card{background:#ffffff08;border:1px solid #333;padding:20px;border-radius:20px;width:140px}.gacha-card button{margin-top:15px;width:100%;padding:8px;border-radius:8px;border:none;font-weight:700;cursor:pointer}.gacha-card.gold button{background:var(--neon-gold);color:#000}.gacha-card.diamond button{background:var(--neon-blue);color:#000}.gacha-result-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000e6;z-index:200;display:flex;align-items:center;justify-content:center}.result-card{background:#111;border:3px solid;padding:25px;border-radius:25px;display:flex;flex-direction:column;align-items:center;gap:12px}.skin-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%;max-height:380px;overflow-y:auto;padding:5px}.skin-item{background:#ffffff05;border:1px solid #222;padding:12px;border-radius:12px;display:flex;align-items:center;gap:10px;cursor:pointer}.skin-item.selected{border-color:var(--neon-blue);background:#00f2ff14}.skin-item.locked{opacity:.2;filter:grayscale(1)}.skin-info .n{font-size:13px;font-weight:700}.skin-info .r{font-size:10px}.gameover{color:var(--neon-red);text-shadow:0 0 20px var(--neon-red)}.victory{color:var(--neon-gold);text-shadow:0 0 20px var(--neon-gold)}