:root{--bg-deep:#050810;--bg-panel:rgba(8, 18, 32, 0.82);--border:rgba(0, 212, 255, 0.22);--accent:#00d4ff;--accent-dim:rgba(0, 212, 255, 0.45);--accent-warm:#ff6b35;--text:#e8f4fc;--text-muted:#7a9bb8;--glow:0 0 24px rgba(0, 212, 255, 0.15);--font-display:"Orbitron",sans-serif;--font-body:"Noto Sans SC",sans-serif;--panel-width:320px}*{box-sizing:border-box;margin:0;padding:0}body,html{width:100%;height:100%;overflow:hidden;font-family:var(--font-body);background:var(--bg-deep);color:var(--text)}body::before{content:"";position:fixed;inset:0;background:radial-gradient(ellipse 80% 50% at 70% 20%,rgba(0,100,180,.12),transparent),radial-gradient(ellipse 60% 40% at 20% 80%,rgba(0,212,255,.06),transparent);pointer-events:none;z-index:0}.app{display:grid;grid-template-columns:auto 1fr;grid-template-rows:minmax(0,1fr);width:100%;height:100%;min-height:100vh;min-height:100dvh;position:relative;z-index:1}.panel-column{position:relative;width:var(--panel-width);flex-shrink:0;min-height:0;overflow:visible;transition:width .22s}.app.panel-collapsed .panel-column{width:0;min-width:0}.panel{display:flex;flex-direction:column;width:100%;height:100%;min-height:0;min-width:0;padding:0;background:var(--bg-panel);backdrop-filter:blur(8px);box-shadow:var(--glow);border-right:1px solid var(--border);overflow:hidden;transition:opacity .18s,border-color .22s}.app.panel-collapsed .panel{border-right-color:transparent;opacity:0;pointer-events:none}.panel-body{display:flex;flex-direction:column;gap:8px;flex:1 1 auto;min-width:0;min-height:0;overflow-x:hidden;overflow-y:auto;padding:0;scrollbar-width:thin;scrollbar-color:var(--accent-dim) transparent}.panel-body::-webkit-scrollbar{width:5px}.panel-body::-webkit-scrollbar-track{background:0 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rgba(0,212,255,.15)}.panel-select option{background:#0a1828;color:var(--text)}.panel-tip{font-size:.78rem;color:var(--text-muted);line-height:1.65;margin:6px 0}.panel-list{margin:4px 0 8px;padding-left:18px;font-size:.76rem;color:var(--text-muted);line-height:1.7}.panel-list li+li{margin-top:3px}.panel-list strong{color:#c8e8f4;font-weight:600}.danxia-type-checkboxes{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;margin:8px 0 4px}.danxia-type-checkboxes>label{display:flex;align-items:center;gap:6px;font-size:.75rem;line-height:1.35;color:var(--text-muted)}.danxia-type-checkboxes input[type=checkbox]{width:auto;margin:0;transform:translateY(1px)}.control-group input[type=checkbox]{accent-color:var(--accent)}.panel-toggle-btn{position:absolute;left:100%;top:50%;z-index:20;transform:translateY(-50%);box-sizing:border-box;width:28px;height:52px;padding:0;margin:0;font-size:13px;line-height:1;border-radius:0 8px 8px 0;border:1px solid var(--border);border-left:none;background:rgba(8,18,32,.95);color:var(--text);cursor:pointer;pointer-events:auto;font-family:inherit;box-shadow:4px 0 16px rgba(0,0,0,.35);transition:background .2s,border-color .2s,color .2s,box-shadow .2s}.panel-toggle-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.12);box-shadow:4px 0 20px rgba(0,212,255,.2)}.panel-toggle-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.knowledge-box{border:1px solid var(--border);border-radius:8px;background:rgba(5,15,28,.88);backdrop-filter:blur(8px);box-shadow:var(--glow)}.panel-explain-entry{flex-shrink:0;margin:0 10px 8px;min-width:0;max-height:min(38vh,300px);display:flex;flex-direction:column;overflow:hidden}.panel-explain-entry:not(.collapsed) .collapsible-content{flex:1 1 auto;min-height:0;overflow-x:hidden;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--accent-dim) transparent}.panel-explain-entry .collapsible-head{flex-shrink:0}.app.panel-collapsed .panel-explain-entry{display:none}.collapsible-box{max-width:100%;min-width:0;padding:10px 12px;box-sizing:border-box}.collapsible-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.collapsible-box:not(.collapsed) .collapsible-head{margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--border)}.collapsible-head-title{font-family:var(--font-display);font-size:.62rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}.collapsible-head-btn{flex-shrink:0;width:28px;height:28px;padding:0;font-size:11px;line-height:1;font-family:inherit;color:var(--text-muted);cursor:pointer;border-radius:6px;border:1px solid var(--border);background:rgba(0,40,70,.5);transition:background .2s,border-color .2s,color .2s}.collapsible-head-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.1)}.collapsible-head-btn:focus-visible{outline:2px solid 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62%),radial-gradient(ellipse 52% 42% at 14% 78%,rgba(0,212,255,.1),transparent 58%),radial-gradient(ellipse 90% 55% at 50% 108%,rgba(16,48,88,.42),transparent 52%),linear-gradient(168deg,#071018 0,#050c14 42%,#03070d 72%,#020508 100%);animation:20s ease-in-out infinite alternate stage-bg-aurora}.stage-bg-grid{position:absolute;left:-40%;right:-40%;bottom:-8%;height:62%;opacity:.42;background-image:linear-gradient(rgba(0,212,255,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.11) 1px,transparent 1px);background-size:44px 44px;transform:perspective(480px) rotateX(72deg);transform-origin:center top;mask-image:linear-gradient(to top,rgba(0,0,0,0.9) 0%,transparent 82%);-webkit-mask-image:linear-gradient(to top,rgba(0,0,0,0.9) 0%,transparent 82%)}@keyframes stage-bg-aurora{from{filter:hue-rotate(0deg) brightness(1);transform:scale(1)}to{filter:hue-rotate(8deg) brightness(1.06);transform:scale(1.03)}}@media 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danxia-spin{to{transform:rotate(360deg)}}.stage-loading-progress{width:min(280px,72vw);display:flex;flex-direction:column;align-items:stretch;gap:8px}.stage-loading-progress-track{height:6px;border-radius:999px;background:rgba(0,212,255,.15);overflow:hidden}.stage-loading-progress-bar{height:100%;width:0%;border-radius:inherit;background:linear-gradient(90deg,rgba(0,180,220,.85),var(--accent));transition:width .18s ease-out}.stage-loading-percent{margin:0;font-family:var(--font-display);font-size:1.05rem;font-weight:600;letter-spacing:.04em;color:var(--accent);text-align:center}.stage-loading p{margin:0;font-size:.85rem;color:var(--text-muted);text-align:center;max-width:420px;line-height:1.6}.stage-error{position:absolute;inset:0;z-index:12;display:none;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(8,18,28,.72);pointer-events:none}.stage-error:not([hidden]){display:flex}.stage-error[hidden],.stage-error[hidden] 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0 40px rgba(0,0,0,.35),var(--glow);touch-action:none;cursor:default;outline:0}.stage-image-viewport.is-dragging{cursor:grabbing}.stage-image-stage{position:absolute;left:50%;top:50%;transform-origin:center center;will-change:transform}.stage-image{display:block;max-width:none;max-height:none;width:auto;height:auto;user-select:none;-webkit-user-drag:none;pointer-events:none}.stage-image-toolbar{position:absolute;left:16px;bottom:16px;z-index:2;display:inline-flex;align-items:center;gap:6px;padding:6px 8px;border-radius:8px;border:1px solid var(--border);background:rgba(5,15,28,.88);backdrop-filter:blur(8px);box-shadow:var(--glow)}.stage-image-tool-btn{width:32px;height:32px;padding:0;font-size:18px;line-height:1;font-family:var(--font-body);color:var(--text-muted);background:rgba(0,40,70,.5);border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:background .2s,border-color .2s,color 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var(--accent);outline-offset:2px}.stage-reset-btn{right:126px;display:inline-flex;align-items:center;justify-content:center;width:40px;height:36px;padding:0;font-size:20px;line-height:1}.stage-fullscreen-btn{right:16px;display:inline-flex;align-items:center;justify-content:center;min-width:96px;padding:6px 12px;font-size:.72rem}.stage-corner-stack{position:absolute;right:16px;bottom:12px;z-index:20;display:flex;flex-direction:column;align-items:stretch;gap:8px;max-width:min(92vw,400px);pointer-events:auto}.hint-bar{align-self:flex-end;padding:8px 20px;border:1px solid var(--border);border-radius:24px;background:rgba(5,15,28,.88);font-family:var(--font-body);font-size:.75rem;color:var(--text-muted);white-space:nowrap;pointer-events:none}html.app-page-fullscreen,html.app-page-fullscreen body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#03070d}html.app-page-fullscreen .app{position:fixed;inset:0;z-index:2147483646;width:100vw;height:100vh;height:100dvh;min-height:0;max-height:100dvh;display:grid;grid-template-columns:1fr!important;grid-template-rows:minmax(0,1fr)!important}html.app-page-fullscreen .panel-column{display:none!important}html.app-page-fullscreen .panel-toggle-btn{display:none}html.app-page-fullscreen .stage-wrap{width:100%;height:100%;min-height:0;min-width:0}html.app-page-fullscreen #stage{flex:1 1 auto;min-height:0;width:100%;height:100%}.app.panel-collapsed .panel-body{display:none}.modal-overlay{position:fixed;inset:0;z-index:20000;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(0,0,0,.55);box-sizing:border-box;font-family:var(--font-body)}.modal-overlay[hidden]{display:none!important}.modal-dialog{width:100%;max-width:380px;padding:18px 16px;border-radius:8px;background:rgba(8,18,32,.98);border:1px solid var(--border);box-shadow:0 12px 40px rgba(0,0,0,.55);color:var(--text)}.modal-title{margin:0 0 14px;font-size:1rem;font-weight:600;font-family:var(--font-display);letter-spacing:.06em;color:var(--accent)}.copyright-modal{max-width:440px}.copyright-modal .modal-title{text-align:center}.copyright-modal .modal-actions{justify-content:center}.copyright-qr-grid{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:14px 16px;margin-bottom:14px}.copyright-qr-item{margin:0;flex:1 1 150px;max-width:200px;min-width:0;text-align:center}.copyright-qr-caption{margin:8px 0 0;font-size:.75rem;line-height:1.35;color:var(--text-muted)}.copyright-qr-image{display:block;width:100%;max-width:200px;height:auto;margin:0 auto;border-radius:8px;border:1px solid var(--border)}.copyright-note{margin:0;font-size:.8rem;line-height:1.55;color:var(--text);text-align:center;font-family:var(--font-body)}.modal-actions{display:flex;gap:10px;margin-top:18px;justify-content:flex-end}.modal-btn{padding:8px 18px;font-size:.84rem;border-radius:8px;cursor:pointer;border:1px solid var(--border);background:rgba(0,40,70,.6);color:var(--text);font-family:inherit;transition:background .2s,border-color .2s,color .2s}.modal-btn:hover{border-color:var(--accent);background:rgba(0,212,255,.12)}.modal-btn-primary{border-color:var(--accent);color:var(--accent)}