:root{--bg:#05070d;--panel:#0a101ceb;--line:#5adcff40;--cyan:#4de8ff;--green:#6bffb0;--yellow:#ffd257;--orange:#ff8a3d;--red:#ff4d6d;--purple:#b06bff;--text:#e8f4ff;--dim:#8ba3bd;--r-common:#c9d6e4;--r-fine:#6bffb0;--r-epic:#b06bff;--r-legend:#ffd257}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);width:100%;height:100%;overflow:hidden}body{color:var(--text);-webkit-user-select:none;user-select:none;font-family:PingFang SC,Microsoft YaHei,Segoe UI,system-ui,sans-serif}#app{position:fixed;inset:0}#game-canvas{width:100%;height:100%;display:block;position:absolute;inset:0}#dmg-layer,#fx-layer{pointer-events:none;position:absolute;inset:0;overflow:hidden}.hidden{display:none!important}.screen{z-index:10;background:radial-gradient(at 50% 40%,#08101e8c,#03050ae6);flex-direction:column;justify-content:center;align-items:center;gap:26px;display:flex;position:absolute;inset:0}.overlay{z-index:20;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#020409b8;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.overlay-inner{text-align:center;max-width:min(1040px,94vw)}.overlay-title{letter-spacing:4px;text-shadow:0 0 18px #4de8ff8c;margin-bottom:8px;font-size:44px;font-weight:800}.overlay-title.glow{color:var(--cyan);animation:1.6s ease-in-out infinite pulse}.overlay-sub{color:var(--dim);letter-spacing:2px;margin-bottom:26px}@keyframes pulse{50%{text-shadow:0 0 34px #4de8fff2;transform:scale(1.03)}}.btn{pointer-events:auto;cursor:pointer;font:inherit;letter-spacing:3px;color:var(--text);border:1px solid var(--line);text-transform:uppercase;background:#101a2ce6;border-radius:4px;padding:14px 34px;font-weight:700;transition:all .16s}.btn:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 0 22px #4de8ff59}.btn:active{transform:translateY(0)scale(.98)}.btn-primary{border-color:var(--cyan);color:#dffaff;background:linear-gradient(#4de8ff38,#4de8ff14)}.btn-ghost{opacity:.85}.btn:disabled{opacity:.35;cursor:not-allowed;box-shadow:none;transform:none}.title-logo{text-align:center}.title-main{letter-spacing:8px;background:linear-gradient(#fff,#4de8ff 55%,#b06bff);color:#0000;filter:drop-shadow(0 0 26px #4de8ff73);-webkit-background-clip:text;background-clip:text;font-size:clamp(44px,8vw,96px);font-weight:900}.title-main span{color:#ffd257;-webkit-text-fill-color:#ffd257}.title-sub{color:var(--dim);letter-spacing:6px;margin-top:10px;font-size:15px}.title-menu{flex-direction:column;align-items:center;gap:14px;display:flex}.title-foot{color:#8ba3bdb3;letter-spacing:2px;font-size:13px;position:absolute;bottom:26px}.select-head{text-align:center}.select-head h2{letter-spacing:6px;text-shadow:0 0 16px #4de8ff66;font-size:34px}.select-head p{color:var(--dim);letter-spacing:2px;margin-top:6px}.char-grid{grid-template-columns:repeat(3,minmax(240px,300px));gap:16px;max-height:66vh;padding:6px;display:grid;overflow-y:auto}.char-card{pointer-events:auto;cursor:pointer;text-align:left;background:var(--panel);border:1px solid #5adcff2e;border-radius:10px;padding:16px;transition:all .18s;position:relative;overflow:hidden}.char-card:before{content:"";background:linear-gradient(160deg, var(--accent,#4de8ff) 0%, transparent 55%);opacity:.1;transition:opacity .2s;position:absolute;inset:0}.char-card:hover{border-color:var(--accent,var(--cyan));box-shadow:0 12px 34px #0000008c, 0 0 24px color-mix(in srgb, var(--accent,var(--cyan)) 40%, transparent);transform:translateY(-5px)}.char-card:hover:before{opacity:.22}.char-top{align-items:center;gap:12px;display:flex}.char-badge{width:44px;height:44px;box-shadow:0 0 18px var(--accent,var(--cyan));background:var(--accent,var(--cyan));border-radius:8px;flex:none}.char-name{letter-spacing:1px;font-size:19px;font-weight:800}.char-role{color:var(--accent,var(--cyan));letter-spacing:3px;margin-top:2px;font-size:12px}.char-stats{gap:5px;margin-top:12px;font-size:12px;display:grid}.stat-row{color:var(--dim);align-items:center;gap:8px;display:flex}.stat-row b{color:var(--text);font-variant-numeric:tabular-nums;min-width:54px}.stat-track{background:#ffffff14;border-radius:3px;flex:1;height:5px;overflow:hidden}.stat-track i{background:var(--accent,var(--cyan));border-radius:3px;height:100%;display:block}.char-passive{color:#bcd3e8;border-left:2px solid var(--accent,var(--cyan));background:#ffffff0a;border-radius:0 6px 6px 0;margin-top:12px;padding:7px 9px;font-size:12px;line-height:1.6}.char-weapon{color:var(--yellow);letter-spacing:1px;margin-top:9px;font-size:12px}.select-foot{gap:12px;display:flex}.help-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;max-width:560px;padding:34px 40px}.help-panel h2{letter-spacing:4px;text-align:center;margin-bottom:18px}.help-list{color:var(--dim);gap:11px;margin-bottom:24px;font-size:14px;line-height:1.6;list-style:none;display:grid}.help-list b{color:var(--cyan)}.help-panel .btn{margin:0 auto;display:block}#hud{pointer-events:none;z-index:5;position:absolute;inset:0}.hud-top{align-items:center;gap:18px;display:flex;position:absolute;top:16px;left:50%;transform:translate(-50%)}.hud-stat{background:var(--panel);border:1px solid var(--line);letter-spacing:2px;border-radius:6px;padding:7px 16px;font-size:15px}.hud-stat b{color:var(--cyan)}.hud-crystals b{color:var(--yellow)}.hud-timer{border:1px solid var(--line);background:#080e1ae6;border-radius:6px;width:240px;height:30px;position:relative;overflow:hidden}#hud-timer-bar{transform-origin:0;background:linear-gradient(90deg,#4de8ff80,#b06bff80);width:100%;position:absolute;inset:0}#hud-timer{letter-spacing:3px;text-shadow:0 1px 3px #000;justify-content:center;align-items:center;font-size:15px;font-weight:800;display:flex;position:absolute;inset:0}.hud-bottom{align-items:flex-end;gap:18px;display:flex;position:absolute;bottom:16px;left:20px;right:20px}.hud-vitals{gap:7px;width:300px;display:grid}.bar{border:1px solid var(--line);background:#080e1aeb;border-radius:5px;height:22px;position:relative;overflow:hidden}.bar>div{transform-origin:0;transition:transform .15s ease-out;position:absolute;inset:0}.bar span{letter-spacing:2px;text-shadow:0 1px 3px #000;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex;position:absolute;inset:0}.hp-bar>div{background:linear-gradient(90deg,#ff4d6d,#ff8a3d);box-shadow:0 0 14px #ff4d6d99}.xp-bar{height:14px}.xp-bar>div{background:linear-gradient(90deg,#4de8ff,#b06bff);box-shadow:0 0 12px #4de8ff99}.hud-weapons{flex-wrap:wrap;flex:1;gap:8px;display:flex}.wpn-chip{background:var(--panel);border:1px solid var(--chip,var(--line));letter-spacing:1px;border-radius:6px;align-items:center;gap:7px;padding:6px 11px;font-size:12px;display:flex}.wpn-chip .dot{background:var(--chip,var(--cyan));width:9px;height:9px;box-shadow:0 0 9px var(--chip,var(--cyan));border-radius:50%}.hud-stats-mini{color:var(--dim);letter-spacing:1px;gap:12px;font-size:12px;display:flex}.hud-stats-mini b{color:var(--text)}.dash-ring{letter-spacing:1px;width:54px;height:54px;color:var(--dim);background:#080e1abf;border:2px solid #4de8ff40;border-radius:50%;justify-content:center;align-items:center;font-size:11px;display:flex;position:absolute;bottom:74px;right:26px}.dash-ring.ready{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 18px #4de8ff80}.dash-ring.cooling{animation:none}.choice-grid{grid-template-columns:repeat(3,minmax(210px,250px));justify-content:center;gap:16px;display:grid}.choice-card{pointer-events:auto;cursor:pointer;background:var(--panel);border:1px solid var(--card,var(--line));text-align:left;border-radius:10px;padding:20px 18px;transition:all .16s;position:relative;overflow:hidden}.choice-card:after{content:"";background:linear-gradient(90deg,#0000,#ffffff24,#0000);width:60%;height:220%;transition:transform .5s;position:absolute;top:-60%;left:-30%;transform:rotate(18deg)translate(-120%)}.choice-card:hover{box-shadow:0 14px 34px #0009, 0 0 26px color-mix(in srgb, var(--card,var(--cyan)) 45%, transparent);transform:translateY(-6px)scale(1.02)}.choice-card:hover:after{transform:rotate(18deg)translate(320%)}.choice-rarity{letter-spacing:3px;color:var(--card,var(--cyan));font-size:11px}.choice-icon{filter:drop-shadow(0 0 10px var(--card,var(--cyan)));margin:10px 0 8px;font-size:34px}.choice-name{letter-spacing:1px;font-size:18px;font-weight:800}.choice-desc{color:var(--dim);margin-top:8px;font-size:13px;line-height:1.6}.shop-inner{width:min(1000px,94vw)}.shop-coins{color:var(--yellow);letter-spacing:2px;margin-bottom:16px;font-size:18px}.shop-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px;display:grid}.shop-item{pointer-events:auto;cursor:pointer;background:var(--panel);border:1px solid var(--card,var(--line));text-align:left;border-radius:10px;padding:14px;transition:all .15s;position:relative}.shop-item:hover{box-shadow:0 10px 26px #0000008c, 0 0 20px color-mix(in srgb, var(--card,var(--cyan)) 35%, transparent);transform:translateY(-4px)}.shop-item.sold{opacity:.32;pointer-events:none;filter:grayscale()}.shop-item.too-expensive{opacity:.55}.si-top{letter-spacing:2px;color:var(--card,var(--cyan));justify-content:space-between;align-items:center;font-size:11px;display:flex}.si-icon{margin:8px 0 6px;font-size:26px}.si-name{letter-spacing:1px;font-size:15px;font-weight:800}.si-desc{color:var(--dim);min-height:52px;margin-top:6px;font-size:12px;line-height:1.55}.si-price{color:var(--yellow);margin-top:9px;font-size:14px;font-weight:800}.shop-owned{margin-bottom:16px}.shop-label{letter-spacing:3px;color:var(--dim);margin-bottom:8px;font-size:12px}.shop-slots{flex-wrap:wrap;gap:9px;display:flex}.slot{pointer-events:auto;cursor:pointer;border:1px solid var(--card,var(--line));background:#ffffff0a;border-radius:8px;min-width:118px;padding:9px 11px;font-size:12px;position:relative}.slot .s-name{letter-spacing:1px;font-weight:700}.slot .s-tier{color:var(--card,var(--cyan));letter-spacing:2px;font-size:10px}.slot .s-dmg{color:var(--dim);margin-top:3px;font-size:11px}.slot.sellable{border-color:var(--red);box-shadow:0 0 14px #ff4d6d59}.shop-actions{justify-content:center;gap:12px;display:flex}.over-stats{text-align:left;grid-template-columns:repeat(2,minmax(150px,200px));gap:10px 26px;margin:22px auto 28px;font-size:15px;display:grid}.over-stats div{color:var(--dim);border-bottom:1px dashed #ffffff1f;justify-content:space-between;gap:16px;padding-bottom:6px;display:flex}.over-stats b{color:var(--text)}.dmg-num{color:#fff;text-shadow:0 2px 4px #000000e6,0 0 10px #ffffff59;will-change:transform, opacity;white-space:nowrap;font-variant-numeric:tabular-nums;font-size:17px;font-weight:900;position:absolute;transform:translate(-50%,-50%)}.dmg-num.crit{color:var(--yellow);text-shadow:0 2px 6px #000,0 0 16px #ffd257d9;font-size:26px}.dmg-num.heal{color:var(--green)}.dmg-num.player-hurt{color:var(--red);font-size:20px}.dmg-num.pickup{color:var(--yellow);opacity:.9;font-size:14px}#wave-banner{letter-spacing:14px;color:#fff;text-shadow:0 0 30px #4de8ffcc,0 0 70px #b06bff99;white-space:nowrap;font-size:clamp(36px,7vw,76px);font-weight:900;animation:2.2s forwards bannerIn;position:absolute;top:30%;left:50%;transform:translate(-50%,-50%)}#wave-banner.boss{color:var(--red);text-shadow:0 0 34px #ff4d6df2,0 0 80px #ff4d6d99}@keyframes bannerIn{0%{opacity:0;letter-spacing:34px;transform:translate(-50%,-50%)scale(1.5)}18%{opacity:1;letter-spacing:14px;transform:translate(-50%,-50%)scale(1)}75%{opacity:1}to{opacity:0;transform:translate(-50%,-70%)scale(.96)}}#toast{background:var(--panel);border:1px solid var(--line);letter-spacing:2px;color:var(--cyan);border-radius:6px;padding:9px 20px;font-size:14px;animation:1.8s forwards toastIn;position:absolute;bottom:118px;left:50%;transform:translate(-50%)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%,12px)}15%,75%{opacity:1;transform:translate(-50%)}to{opacity:0}}#loading{z-index:50;background:var(--bg);color:var(--dim);letter-spacing:4px;gap:18px}.loading-mark{border:3px solid #4de8ff33;border-top-color:var(--cyan);border-radius:50%;width:52px;height:52px;animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}#app.shake{animation:none}@media (max-width:900px){.char-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.shop-grid{grid-template-columns:repeat(2,1fr)}.choice-grid{grid-template-columns:1fr}}.gh-link{z-index:30;letter-spacing:2px;color:#bad6f0d9;pointer-events:auto;background:#080e1ab8;border:1px solid #5adcff47;border-radius:6px;align-items:center;gap:7px;padding:7px 11px;font-size:12px;font-weight:700;text-decoration:none;transition:all .16s;display:inline-flex;position:absolute;top:14px;right:16px}.gh-link:hover{color:#dffaff;border-color:var(--cyan);transform:translateY(-1px);box-shadow:0 0 16px #4de8ff66}@media (max-width:720px){.gh-link{padding:5px 8px;font-size:11px;top:8px;right:8px}}