:root{--bg-deep: #050810;--glass: rgba(12, 22, 42, .72);--glass-border: rgba(120, 160, 220, .18);--text: #d8e4f0;--text-dim: #8a9bb0;--accent: #c9a86c;--accent-soft: rgba(201, 168, 108, .35);--font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg-deep);font-family:var(--font);color:var(--text);-webkit-user-select:none;user-select:none}#game-container{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0}#game-container canvas{display:block;width:100%!important;height:100%!important}#ui-root{position:absolute;top:0;right:0;bottom:0;left:0;z-index:10;pointer-events:none;font-family:var(--font)}#ui-root *{pointer-events:auto}#ui-root .pass-through,#ui-root .pass-through *{pointer-events:none}#toast-host,#tutorial-hint,#title-bar,#completion-label,#eyepiece-vignette,#fov-ring,#toast-host *,#tutorial-hint *{pointer-events:none!important}.glass{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:10px;box-shadow:0 8px 32px #00000059}#title-bar{position:absolute;top:16px;left:50%;transform:translate(-50%);text-align:center;pointer-events:none}#title-bar h1{font-size:22px;font-weight:500;letter-spacing:.12em;color:var(--text);text-shadow:0 2px 12px rgba(0,0,0,.6)}#title-bar .sub{font-size:11px;color:var(--text-dim);letter-spacing:.2em;margin-top:2px}#hud-research{position:absolute;top:18px;right:24px;padding:8px 14px;font-size:13px;color:var(--accent)}#telescope-panel{position:absolute;left:20px;top:50%;transform:translateY(-50%);width:200px;padding:16px;display:flex;flex-direction:column;gap:12px}#telescope-panel label{font-size:11px;color:var(--text-dim);letter-spacing:.08em}#telescope-panel .row{display:flex;align-items:center;gap:8px}#telescope-panel 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var(--accent-soft);color:var(--accent);border-radius:8px;cursor:pointer;font-family:var(--font)}#btn-capture:hover{background:var(--accent-soft)}#observation-log{position:absolute;right:20px;top:70px;width:220px;max-height:280px;padding:12px;overflow:hidden}#observation-log h3{font-size:11px;color:var(--text-dim);letter-spacing:.1em;margin-bottom:8px;font-weight:500}#observation-log ul{list-style:none;font-size:12px;max-height:230px;overflow-y:auto}#observation-log li{padding:4px 0;border-bottom:1px solid rgba(120,160,220,.08);color:var(--text-dim)}#observation-log li strong{color:var(--text);font-weight:500}#bottom-bar{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:10px;align-items:center}#bottom-bar .btn{padding:8px 16px;letter-spacing:.08em}#completion-label{position:absolute;bottom:24px;right:24px;font-size:12px;color:var(--text-dim);pointer-events:none}.panel-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#02060e8c;display:flex;align-items:center;justify-content:center;z-index:20}.panel-overlay.hidden{display:none}.panel-card{width:min(720px,92vw);max-height:80vh;overflow:auto;padding:24px}.panel-card h2{font-size:18px;font-weight:500;margin-bottom:16px;letter-spacing:.1em;color:var(--accent)}.panel-close{float:right;background:transparent;border:none;color:var(--text-dim);font-size:20px;cursor:pointer}#toast-host{position:absolute;top:80px;left:50%;transform:translate(-50%);z-index:30;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{padding:10px 18px;font-size:13px;color:var(--text);opacity:0;transition:opacity 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