*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#050914;--panel:#0b1428;--line:#1d2f55;--acc:#38e1ff;--acc2:#ff3d6e;--gold:#ffd34d;--txt:#dcecff;--muted:#8aa3c7;--card:rgba(255,255,255,.06);--card-border:rgba(255,255,255,.13)}
html,body{height:100%}
body{background:radial-gradient(1200px 800px at 50% -10%,#0e1c3d 0%,#050914 60%) fixed,var(--bg);color:var(--txt);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;overflow-x:hidden}
/* 标准页同款背景光斑 */
.bg-orbs{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.bg-orbs span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.3}
.bg-orbs span:nth-child(1){width:420px;height:420px;background:#0e5aa8;top:-120px;left:-120px}
.bg-orbs span:nth-child(2){width:520px;height:520px;background:#123a6b;bottom:-160px;right:-140px}
.bg-orbs span:nth-child(3){width:300px;height:300px;background:#5b2b8f;top:40%;left:60%}
/* 标准页同款 page + brand header */
.page{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:24px 18px 40px}
.brand{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.logo{font-size:34px;background:var(--card);border:1px solid var(--card-border);border-radius:18px;width:68px;height:68px;display:grid;place-items:center;filter:drop-shadow(0 0 12px rgba(56,225,255,.5))}
.brand h1{font-size:26px;letter-spacing:2px}
.brand h1 em{font-style:normal;font-size:12px;color:var(--acc);border:1px solid rgba(56,225,255,.4);padding:2px 10px;border-radius:20px;margin-left:8px;white-space:nowrap;letter-spacing:1px}
#hi-score-top{color:var(--gold);font-weight:800;font-size:14px;margin-left:8px;white-space:nowrap}
.brand-btns{margin-left:auto;display:flex;gap:10px;align-items:center}
.ghost-btn{font-family:inherit;font-size:14px;height:46px;padding:0 16px;border-radius:14px;border:1px solid var(--card-border);background:var(--card);color:var(--txt);cursor:pointer;transition:.2s;white-space:nowrap}
.ghost-btn:hover{border-color:var(--acc);color:#fff}
.icon-btn{font-size:20px;width:46px;height:46px;border-radius:14px;border:1px solid var(--card-border);background:var(--card);color:var(--txt);cursor:pointer;transition:.2s}
.icon-btn:hover{border-color:var(--acc)}
select.icon-btn{width:auto;padding:0 10px;font-size:14px;font-family:inherit}
select.icon-btn option{background:#0b1428}
/* 屏幕显隐（JS 契约，保持不动） */
.screen{display:none}
#menu-screen.active{display:flex;flex-direction:column;gap:14px}
#game-screen.active{display:flex;gap:22px;align-items:flex-start;justify-content:center}
/* 菜单面板 */
.title-block{text-align:center;padding:28px 16px 14px;background:linear-gradient(180deg,rgba(56,225,255,.1),transparent);border:1px solid var(--line);border-radius:16px;position:relative;overflow:hidden}
.kicker{font-size:12px;letter-spacing:4px;color:#7d93b5}
.game-title{font-size:64px;font-weight:900;letter-spacing:6px;line-height:1.1}.game-title .thunder{background:linear-gradient(180deg,#fff,#38e1ff 45%,#0055ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 40px rgba(56,225,255,.35)}.game-title .cn{color:var(--acc2);text-shadow:0 0 30px rgba(255,61,110,.6);margin-left:14px}
.subtitle{color:#a9bedd;margin-top:6px}
.title-jets{font-size:34px;margin-top:8px;display:flex;justify-content:center;gap:60px}.title-jets .jet{filter:drop-shadow(0 0 12px #38e1ff);animation:hover 2.4s ease-in-out infinite}.title-jets .p2-jet{color:#7da7ff;animation-delay:-1.2s}.title-jets .p1-jet{color:#ff6d8d}
@keyframes hover{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.menu-card{background:rgba(11,20,40,.9);border:1px solid var(--line);border-radius:14px;padding:16px}
.menu-card h2{font-size:15px;letter-spacing:1px;margin-bottom:12px;color:#fff}.tag{font-size:11px;background:#3a2b00;color:var(--gold);border:1px solid #6b5200;border-radius:20px;padding:2px 8px;margin-left:6px}
.big-btn{font-family:inherit;width:100%;padding:12px;border-radius:10px;border:0;font-size:15px;font-weight:800;cursor:pointer;margin-bottom:10px}
.big-btn.primary{background:linear-gradient(90deg,#00c6ff,#0072ff);color:#fff;box-shadow:0 6px 24px rgba(0,150,255,.4)}
.big-btn.secondary{background:linear-gradient(90deg,#ff3d6e,#ff7a3d);color:#fff;box-shadow:0 6px 24px rgba(255,61,110,.35)}
.big-btn:hover{filter:brightness(1.12)}
.row{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap}.row label{flex:1;min-width:150px;font-size:13px;color:#9db4d6;display:flex;flex-direction:column;gap:6px}
select,input[type=checkbox]{accent-color:#38e1ff}
select{background:#0a152c;color:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;font-family:inherit}
.check{flex-direction:row!important;align-items:center;gap:6px!important}
.menu-card.weapons ul{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:13px;color:#b9cbe6}
.c-v{color:#ff6d6d}.c-l{color:#5db4ff}.c-p{color:#c58bff}.c-m{color:var(--gold)}
.pill{display:inline-block;min-width:20px;text-align:center;font-style:normal;font-weight:800;font-size:11px;border-radius:6px;padding:1px 6px;margin:0 2px;background:#22345c;border:1px solid #3a548c;color:#fff}
.pill.red{background:#7a1025;border-color:#ff3d6e}.pill.blue{background:#0c3a6b;border-color:#38a1ff}.pill.purple{background:#3d1a6b;border-color:#b46bff}.pill.yellow{background:#6b4d00;border-color:#ffd34d}.pill.green{background:#0a4d2e;border-color:#3dff9b}.pill.cyan{background:#074a5c;border-color:#38e1ff}
.hint{margin-top:10px;font-size:12px;color:#8aa3c7}
.stages-strip{display:grid;grid-template-columns:repeat(8,1fr);gap:8px}
.stage-chip{background:rgba(11,20,40,.9);border:1px solid var(--line);border-radius:10px;padding:10px 8px;text-align:center;font-size:12px;cursor:pointer;transition:.15s}
.stage-chip:hover{border-color:var(--acc);transform:translateY(-2px)}
.stage-chip b{display:block;color:#fff;font-size:12px}.stage-chip span{color:#7d93b5;font-size:11px}
.foot{text-align:center;color:#5f7594;font-size:12px}
/* 标准页同款 cabinet：横版游戏框 + 右侧边栏 */
.game-frame{position:relative;flex:0 0 auto;width:min(700px,94vw);aspect-ratio:4/3;background:#02040a;border:1px solid rgba(255,255,255,.2);border-radius:22px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5);user-select:none;-webkit-user-select:none;touch-action:none}
#game{position:absolute;inset:0;width:100%;height:100%;display:block;background:#02040a}
#overlay{position:absolute;inset:0;pointer-events:none}
#stage-card{position:absolute;top:34%;left:8%;right:8%;text-align:center;opacity:0;transition:opacity .4s;background:rgba(2,6,16,.72);border:1px solid var(--acc);border-radius:12px;padding:18px}
#stage-card.show{opacity:1}#stage-card h3{letter-spacing:6px;color:var(--acc);font-size:14px}#stage-card h2{font-size:34px;color:#fff;margin:4px 0}#stage-card-desc{color:#9db4d6;font-size:13px}
#warn{position:absolute;top:40%;left:0;right:0;text-align:center;font-size:44px;font-weight:900;color:#ff3d3d;text-shadow:0 0 30px #ff0000;display:none;animation:blink .5s infinite}
@keyframes blink{50%{opacity:.25}}
#pause-tip{position:absolute;bottom:14px;left:0;right:0;text-align:center;color:#fff;background:rgba(0,0,0,.6);padding:8px;display:none}
/* 标准页同款侧边栏卡片 */
.side{display:flex;flex-direction:column;gap:14px;flex:1;min-width:230px;max-width:320px}
.card{background:var(--card);border:1px solid var(--card-border);border-radius:18px;padding:16px 18px;backdrop-filter:blur(10px)}
.card h3{font-size:12px;color:var(--muted);letter-spacing:1px;margin-bottom:8px}
.p-row{display:flex;justify-content:space-between;font-size:13px;padding:3px 0;color:#b9cbe6}.p-row.total{border-top:1px dashed var(--line);margin-top:4px;padding-top:6px;color:#fff;font-size:15px}
.wpn{font-size:12px;color:#dff3ff;background:#0a152c;border-radius:8px;padding:8px;min-height:52px;line-height:1.6}
.bars .lives{font-size:14px;letter-spacing:2px;margin-top:6px}
.boss-block #boss-bar{height:10px;background:#1a0a12;border:1px solid #6b1a2e;border-radius:6px;overflow:hidden}#boss-fill{height:100%;width:0;background:linear-gradient(90deg,#ff3d6e,#ffd34d);transition:width .15s}#boss-name{font-size:12px;color:#ffb3c4;margin-top:6px}
.panel-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.panel-btns .ghost-btn{height:auto;padding:10px 8px;font-size:12px}
.touch-hint{font-size:11px;color:#5f7594}
/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(2,5,12,.7);display:flex;align-items:center;justify-content:center;z-index:20;padding:16px}.modal.hidden{display:none}
.modal-card{background:#0b1428;border:1px solid var(--line);border-radius:14px;padding:20px;max-width:560px;width:100%}
.modal-card.center{text-align:center}.modal-card h2{margin-bottom:10px}
.help-cols{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}.help-cols h4{color:var(--acc);margin-bottom:4px}.help-cols p{font-size:13px;color:#b9cbe6}
.help-list{font-size:13px;color:#b9cbe6;margin:0 0 14px 18px;display:flex;flex-direction:column;gap:6px}
#end-stats{font-size:14px;color:#dff3ff;margin:10px 0;line-height:2}
.center-row{justify-content:center}
footer{text-align:center;color:var(--muted);font-size:12px;margin-top:22px}
.hidden{display:none!important}
@media(max-width:980px){#game-screen.active{flex-direction:column;align-items:center}.game-frame{width:min(700px,96vw)}.side{max-width:min(700px,96vw);width:100%}.menu-grid{grid-template-columns:1fr}.stages-strip{grid-template-columns:repeat(4,1fr)}.game-title{font-size:44px}.brand{flex-wrap:wrap}#hi-score-top{margin-left:0}}

/* 触屏设备隐藏键盘按键提示（无键盘可用） */
@media (pointer:coarse),(hover:none){.cabinet kbd,.screen kbd,.hint kbd{display:none}}