:root{--bg:#fff7e6;--fg:#222;--card:#fff;--accent:#e8590c;--accent2:#1971c2;--ok:#2f9e44;--shadow:0 4px 0 rgba(0,0,0,.18);--ltl-chrome:0px;--ltl-tile:min(12vw,calc((100vh - var(--ltl-chrome) - 220px) / 10),56px);font-size:20px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--fg);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",system-ui,sans-serif;line-height:1.5}
a{color:var(--accent2)}
.topbar{display:flex;align-items:center;gap:12px;padding:10px 62px 10px 14px;background:var(--accent);color:#fff;position:sticky;top:0;z-index:10;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.topbar h1{font-size:1.3rem;margin:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:52px;padding:8px 20px;font-size:1.05rem;font-weight:700;border:3px solid #222;border-radius:14px;background:#ffd43b;color:#222;cursor:pointer;box-shadow:var(--shadow);text-decoration:none;user-select:none;font-family:inherit}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(0,0,0,.18)}
.btn:focus-visible{outline:4px solid var(--accent2);outline-offset:2px}
.btn.blue{background:#74c0fc}.btn.green{background:#8ce99a}.btn.red{background:#ffa8a8}
.topbar .btn{min-height:46px;padding:4px 14px;font-size:1rem}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.stats{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:8px 0 12px}
.stat{background:#fff;border:3px solid #222;border-radius:14px;padding:4px 16px;text-align:center;min-width:110px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:1.5rem;line-height:1.2}
.stat span{font-size:.85rem;color:#555}
.help{background:#fff;border:3px dashed #e8590c;border-radius:16px;padding:10px 16px;margin:14px auto;max-width:640px;font-size:1rem}
.help h2{margin:.2em 0;font-size:1.15rem}
.help ul{margin:.3em 0;padding-left:1.3em}
.controls{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:10px 0}
.center{text-align:center}
.overlay{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:rgba(255,247,230,.88);border-radius:inherit;text-align:center;font-size:1.5rem;font-weight:800;z-index:5;padding:10px}
.overlay.show{display:flex}
.dpad{display:grid;grid-template-columns:repeat(3,72px);grid-template-rows:repeat(2,64px);gap:8px;justify-content:center;margin:12px auto}
.dpad .btn{padding:0;font-size:1.6rem;min-height:64px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#222;color:#fff;padding:10px 20px;border-radius:12px;font-size:1.05rem;z-index:99;opacity:0;transition:opacity .3s;pointer-events:none}
.toast.show{opacity:1}
@media (max-width:520px){:root{font-size:18px}.stat{min-width:90px;padding:2px 10px}}
/* 游戏页默认收起顶栏。common.js 给 body 加上 ltl-showbar 后才占高度。 */
body:not(.ltl-showbar) .topbar{position:fixed;left:0;right:0;top:0;z-index:46;transform:translateY(-110%);visibility:hidden;pointer-events:none;transition:transform .18s ease}
body.ltl-peek .topbar{transform:translateY(0);visibility:visible;pointer-events:auto}
body.ltl-showbar .topbar{position:sticky;top:0;z-index:46;transform:none;visibility:visible;pointer-events:auto}
.ltl-fab{position:fixed;z-index:70;top:max(8px,env(safe-area-inset-top));right:max(8px,env(safe-area-inset-right));width:48px;height:48px;border-radius:50%;border:3px solid #fff;background:rgba(20,20,20,.66);color:#fff;font:900 1.45rem/1 inherit;box-shadow:0 2px 0 #111,0 0 0 2px rgba(0,0,0,.4);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}
body.ltl-showbar:not(.ltl-need-menu) .ltl-fab{display:none !important}
body.ltl-showbar:not(.ltl-need-menu) .topbar{padding-right:14px}
.ltl-bar-set{display:none !important}
body.ltl-showbar:not(.ltl-need-menu) .ltl-bar-set{display:inline-flex !important}
.ltl-fab:focus-visible{outline:4px solid #ffd43b;outline-offset:2px}
.ltl-backdrop{position:fixed;inset:0;z-index:72;background:rgba(0,0,0,.45)}
.ltl-menu{position:fixed;z-index:73;top:64px;right:8px;width:min(300px,calc(100vw - 16px));max-height:calc(100vh - 80px);overflow:auto;display:flex;flex-direction:column;gap:10px;padding:12px;background:#fff;color:#111;border:3px solid #111;border-radius:18px;box-shadow:0 8px 0 rgba(0,0,0,.28)}
.ltl-menu[hidden],.ltl-backdrop[hidden],.ltl-menu .btn[hidden]{display:none !important}
.ltl-menu .btn{width:100%;min-height:56px;font-size:1.2rem}
body.ltl-hide-stats .stats,body.ltl-hide-stats .bar2,body.ltl-hide-stats .side>.stat{display:none !important}
body.ltl-hide-controls .controls{display:none !important}
body.ltl-hide-dpad .dpad,body.ltl-hide-dpad .tpad{position:fixed;z-index:40;left:50%;bottom:max(8px,env(safe-area-inset-bottom));transform:translateX(-50%);margin:0;background:rgba(255,247,230,.94);border:3px solid #222;border-radius:16px;padding:6px;box-shadow:0 4px 0 rgba(0,0,0,.25)}
body:not(.ltl-show-help) .topbar ~ .wrap .help > :not(h2){display:none !important}
.topbar ~ .wrap .help h2{cursor:pointer}
body:not(.ltl-show-help) .topbar ~ .wrap .help h2::after{content:" · 点此展开";font-size:.95rem}
body.ltl-show-help .topbar ~ .wrap .help h2::after{content:" · 点此收起";font-size:.95rem}
.ltl-pull{position:fixed;z-index:45;top:0;left:0;right:64px;height:18px;touch-action:none}
body.ltl-showbar .ltl-pull{display:none}