:root{--ink: #1b2340;--panel: rgba(24, 32, 62, .86);--panel-edge: rgba(127, 156, 245, .5);--accent: #2ec4b6;--accent-2: #ff5d8f;--gold: #ffd166;--text: #f4f7ff;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;overflow:hidden;background:#10162b;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;color:var(--text);user-select:none;touch-action:none}#game{position:fixed;inset:0;width:100%;height:100%;display:block}#ui{position:fixed;inset:0;pointer-events:none}.screen{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;padding:calc(16px + var(--safe-top)) 16px calc(16px + var(--safe-bottom))}.screen.hidden{display:none}.screen>.panel{pointer-events:auto}.panel{background:var(--panel);border:2px solid var(--panel-edge);border-radius:22px;padding:26px 30px;backdrop-filter:blur(10px);box-shadow:0 18px 50px #00000073;animation:pop .25s ease;max-height:calc(100% - 32px);overflow-y:auto}@keyframes pop{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}h1.game-title{font-size:clamp(38px,7vw,64px);letter-spacing:6px;background:linear-gradient(120deg,#7fd8ff,#2ec4b6 40%,#ffd166 75%,#ff5d8f);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 0 rgba(0,0,0,.35))}.game-subtitle{letter-spacing:4px;color:#9fb4ff;margin-top:4px;font-size:14px}.bear-tag{display:inline-block;margin-top:10px;padding:4px 12px;border-radius:999px;background:#ffd16629;border:1px solid rgba(255,209,102,.5);color:var(--gold);font-size:12px;letter-spacing:2px}.menu-panel{width:min(420px,92vw);text-align:center}.menu-stats{display:flex;gap:10px;justify-content:center;margin:18px 0;flex-wrap:wrap}.stat-chip{background:#ffffff14;border:1px solid rgba(255,255,255,.16);padding:6px 14px;border-radius:999px;font-size:13px;color:#cdd8ff}.stat-chip b{color:var(--gold);margin-left:4px}.menu-buttons{display:flex;flex-direction:column;gap:10px;margin-top:8px}.btn{font:inherit;font-size:17px;letter-spacing:3px;padding:13px 22px;border-radius:14px;border:2px solid rgba(255,255,255,.22);background:#ffffff1a;color:var(--text);cursor:pointer;transition:transform .12s ease,background .12s ease,box-shadow .12s ease}.btn:hover{background:#ffffff2e;transform:translateY(-2px)}.btn:active{transform:translateY(1px) scale(.98)}.btn-primary{background:linear-gradient(120deg,var(--accent),#20a394);border-color:#fff6;box-shadow:0 8px 22px #2ec4b659;font-weight:700}.btn-primary:hover{box-shadow:0 10px 26px #2ec4b680}.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}.menu-skin{margin-top:14px;font-size:13px;color:#9fb4ff}.icon-btn{font:inherit;width:42px;height:42px;border-radius:12px;border:2px solid rgba(255,255,255,.25);background:#141a3099;color:var(--text);cursor:pointer}.icon-btn:active{transform:scale(.94)}#hud{display:block;padding:calc(12px + var(--safe-top)) 14px calc(12px + var(--safe-bottom))}#hud.hidden{display:none}.hud-top{display:flex;justify-content:space-between;align-items:flex-start}.hud-score{font-size:clamp(28px,5vw,42px);font-weight:800;letter-spacing:2px;text-shadow:0 3px 0 rgba(0,0,0,.35)}.hud-sub{font-size:14px;color:#cdd8ff;text-shadow:0 2px 0 rgba(0,0,0,.35)}.hud-right{display:flex;align-items:center;gap:10px}.hud-coins{display:flex;align-items:center;gap:7px;background:#141a308c;border:1px solid rgba(255,209,102,.5);padding:7px 14px;border-radius:999px;font-weight:700;color:var(--gold)}.coin-dot{width:16px;height:16px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff3b0,#ffb300 70%);box-shadow:0 0 8px #ffb300cc}.hud-powerups{position:absolute;left:14px;bottom:calc(14px + var(--safe-bottom));display:flex;flex-direction:column;gap:8px}.pu-chip{display:flex;align-items:center;gap:8px;background:#141a30a6;border:1px solid var(--pu-color, #fff);border-radius:12px;padding:6px 10px;font-size:13px;min-width:150px}.pu-bar{height:5px;border-radius:3px;background:var(--pu-color, #fff);flex:1;transform-origin:left}.pu-track{flex:1;background:#ffffff26;border-radius:3px;height:5px;overflow:hidden;display:flex}.hud-hints{position:absolute;left:50%;transform:translate(-50%);bottom:calc(14px + var(--safe-bottom));background:#141a308c;padding:7px 16px;border-radius:999px;font-size:13px;color:#cdd8ff;letter-spacing:1px;transition:opacity .5s ease}.hud-hints.fade{opacity:0}.shop-panel{width:min(680px,94vw)}.panel-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}.panel-head h2{flex:1;letter-spacing:3px}.skin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.skin-card{border:2px solid rgba(255,255,255,.14);border-radius:16px;padding:14px;background:#ffffff0f;display:flex;flex-direction:column;gap:8px;text-align:left}.skin-card.selected{border-color:var(--accent);box-shadow:0 0 0 3px #2ec4b640}.skin-swatch{display:flex;gap:6px}.skin-swatch i{width:22px;height:22px;border-radius:6px;display:block;border:1px solid rgba(255,255,255,.3)}.skin-name{font-weight:700;letter-spacing:1px}.skin-desc{font-size:12px;color:#aebadf;min-height:32px}.skin-card .btn{padding:8px 12px;font-size:14px;letter-spacing:1px}.mission-list{display:flex;flex-direction:column;gap:10px}.mission-row{border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:12px 14px;background:#ffffff0d}.mission-row.done{border-color:#2ec4b699;background:#2ec4b61f}.mission-top{display:flex;justify-content:space-between;gap:10px;font-size:15px}.mission-top b{color:var(--gold)}.mission-desc{font-size:12px;color:#aebadf;margin:4px 0 8px}.mission-bar{height:7px;border-radius:4px;background:#ffffff1f;overflow:hidden}.mission-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--gold))}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 2px;border-bottom:1px dashed rgba(255,255,255,.12)}.setting-row label{letter-spacing:2px;font-size:15px}.setting-row input[type=range]{width:180px;accent-color:var(--accent)}.setting-row input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent)}.setting-row select{font:inherit;padding:6px 10px;border-radius:8px;background:#223;color:var(--text);border:1px solid rgba(255,255,255,.2)}.go-stats{margin:16px 0;display:flex;flex-direction:column;gap:8px}.go-row{display:flex;justify-content:space-between;font-size:16px;color:#cdd8ff}.go-row b{color:var(--text);font-size:18px}.go-record{display:inline-block;margin-top:8px;color:#1b2340;background:linear-gradient(120deg,var(--gold),#ffb300);padding:4px 14px;border-radius:999px;font-weight:800;letter-spacing:2px;animation:pop .4s ease}.go-record.hidden{display:none}#toasts{position:absolute;top:calc(70px + var(--safe-top));left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{background:#141a30d9;border:1px solid var(--accent);color:var(--text);border-radius:999px;padding:8px 18px;font-size:14px;letter-spacing:1px;animation:toast-in .3s ease}.toast.gold{border-color:var(--gold);color:var(--gold)}@keyframes toast-in{0%{transform:translateY(-12px);opacity:0}to{transform:translateY(0);opacity:1}}#debug{position:absolute;left:10px;top:calc(10px + var(--safe-top));background:#0000008c;color:#9ff09f;font:12px/1.5 ui-monospace,monospace;padding:8px 10px;border-radius:8px;white-space:pre;pointer-events:none}#debug.hidden{display:none}@media (max-width: 640px),(orientation: portrait){.menu-panel{width:min(360px,92vw);padding:20px}.hud-score{font-size:30px}.pu-chip{min-width:128px;font-size:12px}.hud-hints{font-size:12px;bottom:calc(70px + var(--safe-bottom))}.skin-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.panel{padding:18px}}